CAAC Red Top 100
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| 200 Freestyle |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 1:41.83 | | Cantrell, Jonas | | 10 | | Mason | | 3/9/2019 | | MHSAA Division III Championship Finals |
| 2 | | 1:49.81 | | Boomer, Liam | | 9 | | Mason | | 3/8/2019 | | MHSAA Division III Championship Prelims |
| 3 | | 1:56.18 | | Estill, Robbie | | 12 | | Waverly | | 2/26/2019 | | Second Shave |
| 4 | | 1:56.32 | | Millerov, Bayley | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 5 | | 1:57.98 | | Ehrhardt, Alden | | 10 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 6 | | 2:01.36 | | Carter, Ben | | 1 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 7 | | 2:03.24 | | Hawkins, Jordan | | 12 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 8 | | 2:04.56 | | Shaw, Ryan | | 10 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 9 | | 2:05.63 | | Williams, Gabe | | 10 | | Mason | | 12/14/2018 | | Mason Invitational |
| 10 | | 2:06.06 | | Branson, Anthony | | 11 | | Mason | | 12/20/2018 | | Eaton Rapids at Mason |
| 11 | | 2:07.22 | | Long, Will | | 12 | | Waverly | | 1/17/2019 | | Eaton Rapids at Waverly |
| 12 | | 2:07.46 | | Ehrhardt, Calvin | | 10 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 13 | | 2:08.66 | | Lashbrook, Max | | 10 | | Waverly | | 1/15/2019 | | Grand Ledge at Waverly |
| 14 | | 2:08.95 | | Stover, Caleb | | 11 | | Williamston | | 1/17/2019 | | Ionia at Williamston |
| 15 | | 2:09.23 | | Rumler, John | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 16 | | 2:09.32 | | Blanco, Kobe | | 11 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 17 | | 2:09.37 | | Konieczny, Thad | | 11 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 18 | | 2:09.46 | | Erhardt, Alden | | 10 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 19 | | 2:10.26 | | O'Brien, Tommy | | 9 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 20 | | 2:10.52 | | Buck, Dillon | | 12 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 21 | | 2:11.78 | | O'Bryant, Evan | | 10 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 22 | | 2:14.01 | | Herrera, Chris | | 11 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 23 | | 2:14.04 | | Johnson, Caleb | | 11 | | Eaton Rapids | | 12/14/2018 | | Mason Invitational |
| 24 | | 2:14.70 | | Lanore, Trevor | | 11 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 25 | | 2:16.76 | | Warren, Tommy | | 9 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 26 | | 2:16.88 | | Buck, Sydney | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 27 | | 2:18.06 | | Morgan, Keith | | 10 | | Eaton Rapids | | 12/14/2018 | | Mason Invitational |
| 28 | | 2:19.04 | | Muenzenmaier, James | | 11 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 29 | | 2:19.39 | | Douglass, Kylen | | 9 | | Lansing | | 1/26/2019 | | Haslett Invitational |
| 30 | | 2:20.56 | | Gorishek, Elliot | | 1 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 31 | | 2:20.96 | | Daman, Darren | | 12 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 32 | | 2:21.16 | | Houser, Gabe | | 9 | | Williamston | | 1/26/2019 | | Haslett Invitational |
| 33 | | 2:21.38 | | Maass, Leon | | 12 | | Ionia | | 1/17/2019 | | Ionia at Williamston |
| 34 | | 2:22.28 | | Poole, Wesson | | 9 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 35 | | 2:23.86 | | Felice, Kenney | | 9 | | Ionia | | 1/3/2019 | | Ovid-Elsie at Ionia |
| 36 | | 2:23.94 | | Barnes, Tyler | | 11 | | Waverly | | 1/24/2019 | | Waverly at Ionia |
| 37 | | 2:23.97 | | Estill, Isaac | | 10 | | Waverly | | 1/15/2019 | | Grand Ledge at Waverly |
| 38 | | 2:24.75 | | Henderson, Quentin | | 11 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 39 | | 2:24.97 | | Scheunrman, Aidan | | 9 | | Williamston | | 1/26/2019 | | Haslett Invitational |
| 40 | | 2:26.67 | | Babcock, Joe | | 11 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 41 | | 2:27.04 | | Hines, Jack | | 1 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 42 | | 2:27.09 | | Hard, Nathan | | 12 | | Charlotte | | 1/10/2019 | | Waverly at Charlotte |
| 43 | | 2:27.33 | | Phenix, Mason | | 10 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 44 | | 2:28.23 | | Hebert, Tommy | | 9 | | Mason | | 1/12/2019 | | Loy Norrix Invitational |
| 45 | | 2:29.29 | | Plumbley, Eric | | 1 | | Waverly | | 12/18/2018 | | Williamston at Waverly |
| 46 | | 2:31.14 | | Vanbeelen, Jackson | | 11 | | Mason | | 12/13/2018 | | Mason vs. Williamston |
| 47 | | 2:31.15 | | Hurst, Aydan | | 1 | | Ionia | | 2/5/2019 | | Eaton Rapids at Ionia |
| 48 | | 2:33.10 | | Lee, Spencer | | 12 | | Waverly | | 1/10/2019 | | Waverly at Charlotte |
| 49 | | 2:33.49 | | Brown, Briana | | 12 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 50 | | 2:34.42 | | Maldonado-Garcia, Jaziel | | 10 | | Lansing | | 1/24/2019 | | Mason at Lansing |
| 51 | | 2:37.26 | | May, Hayden | | 10 | | Charlotte | | 2/18/2019 | | Sturgis and Charlotte at Coldwater |
| 52 | | 2:38.82 | | Shoaf, Sebastien | | 9 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 53 | | 2:40.10 | | Pena, Kaiden | | 10 | | Charlotte | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 54 | | 2:41.52 | | Hicks, Ameer | | 11 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 55 | | 2:42.16 | | Goulding, Jacob | | 9 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 56 | | 2:43.05 | | Resibig, Zane | | 1 | | Ionia | | 12/6/2018 | | Ionia at Corunna |
| 57 | | 2:43.14 | | Walkington, Zach | | 9 | | Mason | | 1/17/2019 | | Mason, Charlotte and Alma at DeWitt |
| 58 | | 2:44.85 | | Lange, Alexander | | 9 | | Ionia | | 2/14/2019 | | Ionia at Charlotte |
| 59 | | 2:44.95 | | Davis, Devarion | | 9 | | Waverly | | 2/26/2019 | | Second Shave |
| 60 | | 2:47.83 | | Winger, Colby | | 9 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 61 | | 2:49.73 | | Beckhorn, Adam | | 11 | | Ionia | | 1/26/2019 | | Haslett Invitational |
| 62 | | 2:50.07 | | Dominguez, Luis | | 0 | | Lansing | | 2/22/2019 | | CAAC Red Prelims |
| 63 | | 2:53.55 | | Kellett, Kuper | | 10 | | Lansing | | 2/22/2019 | | CAAC Red Prelims |
| 64 | | 2:58.03 | | Burns, Aryan | | 10 | | Charlotte | | 12/18/2018 | | Harper Creek at Charlotte |
| 65 | | 2:58.38 | | Macias, Noe | | 9 | | Waverly | | 1/26/2019 | | Haslett Invitational |
| 66 | | 2:58.46 | | Yang, Keiko | | 10 | | Lansing | | 12/13/2018 | | Ionia at Lansing |
| 67 | | 3:07.46 | | Krause, Joseph | | 9 | | Waverly | | 2/13/2019 | | Mason at Waverly |
| 68 | | 3:08.18 | | Schafer, Landon | | 11 | | Mason | | 12/20/2018 | | Eaton Rapids at Mason |
| 69 | | 3:09.81 | | Jammer, Mason | | 9 | | Ionia | | 1/26/2019 | | Haslett Invitational |
| 70 | | 3:19.93 | | Aiden, Heksem | | 9 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 71 | | 3:21.80 | | Leinbach, Sheridan | | 11 | | Lansing | | 1/4/2019 | | Charlotte at Lansing |
| 72 | | 3:31.13 | | Fosburg, Luke | | 12 | | Ionia | | 12/14/2018 | | Mason Invitational |
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| 200 Individual Medley |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 2:05.91 | | Cantrell, Jonas | | 10 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 2 | | 2:08.67 | | Boomer, Liam | | 9 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 3 | | 2:12.91 | | Buck, Dillon | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 4 | | 2:15.47 | | Ritenour, Ky | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 5 | | 2:16.00 | | Hawkins, Jordan | | 12 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 6 | | 2:17.88 | | Bellinger, Will | | 11 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 7 | | 2:20.82 | | Poyma, Nick | | 11 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 8 | | 2:20.98 | | Branson, Anthony | | 11 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 9 | | 2:21.21 | | Seif, Karim | | 12 | | Mason | | 12/13/2018 | | Mason vs. Williamston |
| 10 | | 2:21.48 | | Hammons, Aidan | | 10 | | Charlotte | | 12/6/2018 | | Charlotte at Jackson |
| 11 | | 2:21.57 | | Millerov, Bayley | | 10 | | Williamston | | 1/24/2019 | | Williamston at Charlotte |
| 12 | | 2:21.98 | | Morgan, Keith | | 10 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 13 | | 2:22.34 | | Estill, Robbie | | 12 | | Waverly | | 1/17/2019 | | Eaton Rapids at Waverly |
| 14 | | 2:26.18 | | Long, Will | | 12 | | Waverly | | 1/26/2019 | | Haslett Invitational |
| 15 | | 2:27.21 | | Lashbrook, Max | | 10 | | Waverly | | 1/24/2019 | | Waverly at Ionia |
| 16 | | 2:28.03 | | Gorishek, Elliot | | 1 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 17 | | 2:29.83 | | Johnson, Caleb | | 11 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 18 | | 2:30.44 | | Sinke, Ethan | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 19 | | 2:30.66 | | O'Daniel, Matt | | 12 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 20 | | 2:30.69 | | Williams, Gabe | | 10 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 21 | | 2:30.80 | | Meldrum, Conor | | 12 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 22 | | 2:34.03 | | Ring, Joshua | | 9 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 23 | | 2:34.11 | | Estill, Isaac | | 10 | | Waverly | | 2/23/2019 | | CAAC Red Finals |
| 24 | | 2:34.99 | | Lock, Christian | | 1 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 25 | | 2:35.96 | | Daman, Darren | | 12 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 26 | | 2:35.96 | | Maass, Leon | | 12 | | Ionia | | 1/27/2015 | | Mason at Ionia |
| 27 | | 2:36.69 | | Carter, Ben | | 1 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 28 | | 2:36.83 | | Felice, Kenney | | 9 | | Ionia | | 2/26/2019 | | Second Shave |
| 29 | | 2:37.92 | | O'Brien, Tommy | | 9 | | Eaton Rapids | | 12/14/2018 | | Mason Invitational |
| 30 | | 2:38.39 | | Muenzenmaier, James | | 11 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 31 | | 2:39.18 | | Hebert, Tommy | | 9 | | Mason | | 2/5/2019 | | Holt at Mason |
| 32 | | 2:41.00 | | Miller, Richard | | 10 | | Charlotte | | 2/5/2019 | | Ovid Elsie at Charlotte |
| 33 | | 2:41.37 | | Perreault, Killian | | 10 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 34 | | 2:41.94 | | Henderson, Quentin | | 11 | | Eaton Rapids | | 12/14/2018 | | Mason Invitational |
| 35 | | 2:43.46 | | Lee, Spencer | | 12 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 36 | | 2:43.50 | | Torra, Derrick | | 10 | | Williamston | | 12/18/2018 | | Williamston at Waverly |
| 37 | | 2:45.53 | | Sink, Dylan | | 12 | | Ionia | | 2/22/2019 | | CAAC Red Prelims |
| 38 | | 2:45.93 | | Rumler, John | | 12 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 39 | | 2:48.63 | | Ehrhardt, Calvin | | 10 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 40 | | 2:48.67 | | Douglass, Kylen | | 9 | | Lansing | | 1/10/2019 | | Lansing at Eaton Rapids |
| 41 | | 2:52.07 | | Vanbeelen, Jackson | | 11 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 42 | | 2:52.90 | | Cairns, Joel | | 10 | | Ionia | | 2/22/2019 | | CAAC Red Prelims |
| 43 | | 2:57.85 | | Walkington, Zach | | 9 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 44 | | 3:01.17 | | Onze, Matt | | 1 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 45 | | 3:02.82 | | Phenix, Mason | | 10 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 46 | | 3:03.08 | | Meeuwenberg, Ethan | | 12 | | Mason | | 1/17/2019 | | Mason, Charlotte and Alma at DeWitt |
| 47 | | 3:03.93 | | Yang, Keiko | | 10 | | Lansing | | 1/26/2019 | | Haslett Invitational |
| 48 | | 3:04.74 | | Herrera, Chris | | 11 | | Waverly | | 1/8/2019 | | Holt at Waverly |
| 49 | | 3:09.81 | | Hines, Jack | | 1 | | Mason | | 12/14/2018 | | Mason Invitational |
| 50 | | 3:23.66 | | Hicks, Ameer | | 11 | | Waverly | | 1/17/2019 | | Eaton Rapids at Waverly |
| 51 | | 3:35.07 | | Barnes, Tyler | | 11 | | Waverly | | 1/15/2019 | | Grand Ledge at Waverly |
| 52 | | 3:37.29 | | Leinbach, Sheridan | | 11 | | Lansing | | 2/14/2019 | | Lansing at Williamston |
| 53 | | 3:56.41 | | Shoaf, Sebastien | | 9 | | Waverly | | 12/18/2018 | | Williamston at Waverly |
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| 50 Freestyle |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 22.11 | | Branson, Anthony | | 11 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 2 | | 22.11 | | Hammons, Aidan | | 10 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 3 | | 22.89 | | Cantrell, Jonas | | 10 | | Mason | | 12/20/2018 | | Eaton Rapids at Mason |
| 4 | | 22.93 | | Williams, Gabe | | 10 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 5 | | 23.21 | | Stover, Caleb | | 11 | | Williamston | | 2/26/2019 | | Second Shave |
| 6 | | 23.26 | | Ritenour, Ky | | 10 | | Williamston | | 3/8/2019 | | MHSAA Division III Championship Prelims |
| 7 | | 23.77 | | Boomer, Liam | | 9 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 8 | | 23.83 | | Smith, Forrest | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 9 | | 24.53 | | Bellinger, Will | | 11 | | Williamston | | 2/26/2019 | | Second Shave |
| 10 | | 24.54 | | Johnson, Caleb | | 11 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 11 | | 24.62 | | Long, Will | | 12 | | Waverly | | 2/23/2019 | | CAAC Red Finals |
| 12 | | 24.94 | | Hines, Jack | | 1 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 13 | | 24.95 | | Millerov, Bayley | | 10 | | Williamston | | 12/13/2018 | | Mason vs. Williamston |
| 14 | | 25.15 | | Seif, Karim | | 12 | | Mason | | 12/14/2018 | | Mason Invitational |
| 15 | | 25.22 | | Daman, Darren | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 16 | | 25.22 | | Henderson, Cullen | | 12 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 17 | | 25.27 | | O'Brien, Tommy | | 9 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 18 | | 25.38 | | Schafer, Landon | | 11 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 19 | | 25.47 | | Carter, Ben | | 1 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 20 | | 25.64 | | Stark, Dain | | 12 | | Ionia | | 2/5/2019 | | Eaton Rapids at Ionia |
| 21 | | 25.68 | | Morgan, Keith | | 10 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 22 | | 25.69 | | Ehrhardt, Alden | | 10 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 23 | | 25.86 | | Estill, Robbie | | 12 | | Waverly | | 2/26/2019 | | Second Shave |
| 24 | | 25.89 | | Buck, Dillon | | 12 | | Mason | | 12/20/2018 | | Eaton Rapids at Mason |
| 25 | | 25.97 | | Lashbrook, Max | | 10 | | Waverly | | 1/17/2019 | | Eaton Rapids at Waverly |
| 26 | | 26.17 | | Meldrum, Conor | | 12 | | Williamston | | 1/17/2019 | | Ionia at Williamston |
| 27 | | 26.18 | | Lock, Christian | | 1 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 28 | | 26.28 | | Blanco, Kobe | | 11 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 29 | | 26.29 | | Shaw, Ryan | | 10 | | Williamston | | 12/18/2018 | | Williamston at Waverly |
| 30 | | 26.30 | | Henderson, Quentin | | 11 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 31 | | 26.42 | | Maass, Leon | | 12 | | Ionia | | 2/26/2019 | | Second Shave |
| 32 | | 26.42 | | Torra, Derrick | | 10 | | Williamston | | 1/26/2019 | | Haslett Invitational |
| 33 | | 26.51 | | Perreault, Killian | | 10 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 34 | | 26.57 | | Hawkins, Jordan | | 12 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 35 | | 26.58 | | Muenzenmaier, James | | 11 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 36 | | 26.68 | | Sink, Dylan | | 12 | | Ionia | | 12/6/2018 | | Ionia at Corunna |
| 37 | | 27.04 | | Lathrop, Luke | | 12 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 38 | | 27.04 | | Plumbley, Eric | | 1 | | Waverly | | 12/5/2018 | | Howard Comstock Waverly Relays 2018 |
| 39 | | 27.08 | | Barnes, Tyler | | 11 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 40 | | 27.13 | | Meeuwenberg, Ethan | | 12 | | Mason | | 2/5/2019 | | Holt at Mason |
| 41 | | 27.14 | | Poyma, Nick | | 11 | | Williamston | | 12/11/2018 | | Haslett at Williamston |
| 42 | | 27.19 | | Sinke, Ethan | | 10 | | Williamston | | 1/17/2019 | | Ionia at Williamston |
| 43 | | 27.58 | | Hebert, Tommy | | 9 | | Mason | | 1/25/2019 | | 2019 Clash of the Underclassmen |
| 44 | | 27.58 | | Lanore, Trevor | | 11 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 45 | | 27.62 | | Estill, Isaac | | 10 | | Waverly | | 1/10/2019 | | Waverly at Charlotte |
| 46 | | 27.63 | | Konieczny, Thad | | 11 | | Williamston | | 2/7/2019 | | Williamston at Eaton Rapids |
| 47 | | 27.63 | | Lee, Spencer | | 12 | | Waverly | | 2/23/2019 | | CAAC Red Finals |
| 48 | | 27.77 | | Hebert, Andrew | | 11 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 49 | | 27.82 | | Maldonado-Garcia, Jaziel | | 10 | | Lansing | | 2/14/2019 | | Lansing at Williamston |
| 50 | | 27.82 | | Webb, Dane | | 10 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 51 | | 27.83 | | Douglass, Kylen | | 9 | | Lansing | | 1/22/2019 | | East Lansing at Lansing |
| 52 | | 27.83 | | Scheunrman, Aidan | | 9 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 53 | | 27.85 | | Warren, Tommy | | 9 | | Williamston | | 2/14/2019 | | Lansing at Williamston |
| 54 | | 28.07 | | Houser, Gabe | | 9 | | Williamston | | 2/7/2019 | | Williamston at Eaton Rapids |
| 55 | | 28.17 | | Poole, Wesson | | 9 | | Charlotte | | 2/22/2019 | | CAAC Red Prelims |
| 56 | | 28.41 | | Felice, Kenney | | 9 | | Ionia | | 2/1/2019 | | DeWitt Invitational |
| 57 | | 28.46 | | O'Bryant, Evan | | 10 | | Charlotte | | 12/18/2018 | | Harper Creek at Charlotte |
| 58 | | 28.64 | | Gorishek, Elliot | | 1 | | Mason | | 12/13/2018 | | Mason vs. Williamston |
| 59 | | 28.82 | | May, Hayden | | 10 | | Charlotte | | 1/10/2019 | | Waverly at Charlotte |
| 60 | | 28.99 | | Herrera, Chris | | 11 | | Waverly | | 1/26/2019 | | Haslett Invitational |
| 61 | | 28.99 | | Miller, Richard | | 10 | | Charlotte | | 2/18/2019 | | Sturgis and Charlotte at Coldwater |
| 62 | | 29.03 | | Yang, Keiko | | 10 | | Lansing | | 2/14/2019 | | Lansing at Williamston |
| 63 | | 29.09 | | Buck, Sydney | | 12 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 64 | | 29.12 | | Zurvalec, Brody | | 10 | | Williamston | | 12/20/2018 | | Owosso at Williamston |
| 65 | | 29.15 | | Freidrich, Sam | | 10 | | Ionia | | 12/6/2018 | | Ionia at Corunna |
| 66 | | 29.30 | | Pena, Kaiden | | 10 | | Charlotte | | 1/17/2019 | | Mason, Charlotte and Alma at DeWitt |
| 67 | | 29.38 | | Schafer, Jack | | 10 | | Williamston | | 2/7/2019 | | Williamston at Eaton Rapids |
| 68 | | 29.38 | | Sutton, Gavin | | 10 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 69 | | 29.48 | | Smiley, Briana | | 12 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 70 | | 29.51 | | Paulin, Joseph | | 9 | | Ionia | | 1/3/2019 | | Ovid-Elsie at Ionia |
| 71 | | 29.52 | | Vanbeelen, Jackson | | 11 | | Mason | | 1/12/2019 | | Loy Norrix Invitational |
| 72 | | 29.53 | | Curry, Simeon | | 9 | | Eaton Rapids | | 2/1/2019 | | DeWitt Invitational |
| 73 | | 29.56 | | Hard, Nathan | | 12 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 74 | | 29.76 | | Ring, Joshua | | 9 | | Williamston | | 12/11/2018 | | Haslett at Williamston |
| 75 | | 29.97 | | Walkington, Zach | | 9 | | Mason | | 2/5/2019 | | Holt at Mason |
| 76 | | 30.07 | | Onze, Matt | | 1 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 77 | | 30.38 | | Cairns, Joel | | 10 | | Ionia | | 2/22/2019 | | CAAC Red Prelims |
| 78 | | 30.85 | | Goulding, Jacob | | 9 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 79 | | 30.87 | | Shoaf, Sebastien | | 9 | | Waverly | | 1/26/2019 | | Haslett Invitational |
| 80 | | 31.01 | | Brown, Briana | | 12 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 81 | | 31.23 | | Hitchcock, Johnathan | | 9 | | Ionia | | 12/13/2018 | | Ionia at Lansing |
| 82 | | 31.99 | | Babcock, Joe | | 11 | | Eaton Rapids | | 12/14/2018 | | Mason Invitational |
| 83 | | 32.01 | | Atwood, Zach | | 9 | | Ionia | | 1/26/2019 | | Haslett Invitational |
| 84 | | 32.07 | | Johnstone, Owen | | 9 | | Mason | | 1/12/2019 | | Loy Norrix Invitational |
| 85 | | 32.09 | | Winger, Colby | | 9 | | Mason | | 2/5/2019 | | Holt at Mason |
| 86 | | 32.32 | | Miller, Mitchell | | 12 | | Charlotte | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 87 | | 32.45 | | Hicks, Ameer | | 11 | | Waverly | | 2/13/2019 | | Mason at Waverly |
| 88 | | 32.63 | | Fosburg, Luke | | 12 | | Ionia | | 2/22/2019 | | CAAC Red Prelims |
| 89 | | 32.87 | | Kellett, Kuper | | 10 | | Lansing | | 2/22/2019 | | CAAC Red Prelims |
| 90 | | 33.32 | | Beckhorn, Adam | | 11 | | Ionia | | 1/3/2019 | | Ovid-Elsie at Ionia |
| 91 | | 33.53 | | Macias, Noe | | 9 | | Waverly | | 12/18/2018 | | Williamston at Waverly |
| 92 | | 33.85 | | Davis, Devarion | | 9 | | Waverly | | 1/17/2019 | | Eaton Rapids at Waverly |
| 93 | | 34.41 | | Mcmanus, Owen | | 9 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 94 | | 34.85 | | Swimmer, Undeclared | | 0 | | Ionia | | 2/5/2019 | | Eaton Rapids at Ionia |
| 95 | | 34.97 | | Amantay, Danial | | 12 | | Ionia | | 1/3/2019 | | Ovid-Elsie at Ionia |
| 96 | | 35.02 | | Musser, Maverick | | 12 | | Ionia | | 1/24/2019 | | Waverly at Ionia |
| 97 | | 35.12 | | Burns, Aryan | | 10 | | Charlotte | | 12/18/2018 | | Harper Creek at Charlotte |
| 98 | | 35.24 | | Dominguez, Luis | | 0 | | Lansing | | 1/15/2019 | | Lansing at Holt |
| 99 | | 36.16 | | Richardson, Brody | | 12 | | Ionia | | 1/27/2015 | | Mason at Ionia |
| 100 | | 36.57 | | Leinbach, Sheridan | | 11 | | Lansing | | 1/26/2019 | | Haslett Invitational |
| |
| |
| 1 Meter Diving (6) |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 259.55 | | Lathrop, Luke | | 12 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 2 | | 228.60 | | Sutton, Gavin | | 10 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 3 | | 215.50 | | Liberato, Samuel | | 12 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 4 | | 212.00 | | Tanner, Jack | | 10 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 5 | | 204.40 | | Hebert, Andrew | | 11 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 6 | | 199.00 | | Bashore, Eric | | 12 | | Williamston | | 1/17/2019 | | Ionia at Williamston |
| 7 | | 159.05 | | Johnstone, Owen | | 9 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 8 | | 156.10 | | Fedrizzi, Layah | | 9 | | Williamston | | 2/7/2019 | | Williamston at Eaton Rapids |
| 9 | | 142.90 | | Schafer, Jack | | 10 | | Williamston | | 1/17/2019 | | Ionia at Williamston |
| 10 | | 142.11 | | May, Hayden | | 10 | | Charlotte | | 1/10/2019 | | Waverly at Charlotte |
| 11 | | 138.95 | | Byers, Nate | | 10 | | Charlotte | | 1/10/2019 | | Waverly at Charlotte |
| 12 | | 63.65 | | Miller, Richard | | 10 | | Charlotte | | 1/17/2019 | | Mason, Charlotte and Alma at DeWitt |
| |
| |
| 1 Meter Diving (11) |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 419.45 | | Lathrop, Luke | | 12 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 2 | | 358.95 | | Sutton, Gavin | | 10 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 3 | | 325.45 | | Liberato, Samuel | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 4 | | 319.95 | | Hebert, Andrew | | 11 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 5 | | 301.35 | | Bashore, Eric | | 12 | | Williamston | | 1/26/2019 | | Haslett Invitational |
| 6 | | 267.50 | | Johnstone, Owen | | 9 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 7 | | 245.95 | | Fedrizzi, Layah | | 9 | | Williamston | | 1/26/2019 | | Haslett Invitational |
| 8 | | 231.35 | | May, Hayden | | 10 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 9 | | 204.25 | | Byers, Nate | | 10 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| |
| |
| 100 Butterfly |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 53.91 | | Boomer, Liam | | 9 | | Mason | | 3/9/2019 | | MHSAA Division III Championship Finals |
| 2 | | 54.91 | | Hammons, Aidan | | 10 | | Charlotte | | 3/8/2019 | | MHSAA Division III Championship Prelims |
| 3 | | 56.51 | | Cantrell, Jonas | | 10 | | Mason | | 12/14/2018 | | Mason Invitational |
| 4 | | 57.71 | | Estill, Robbie | | 12 | | Waverly | | 2/23/2019 | | CAAC Red Finals |
| 5 | | 58.34 | | Branson, Anthony | | 11 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 6 | | 59.11 | | Smith, Forrest | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 7 | | 59.49 | | Ehrhardt, Alden | | 10 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 8 | | 1:00.09 | | Buck, Dillon | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 9 | | 1:01.93 | | Millerov, Bayley | | 10 | | Williamston | | 12/13/2018 | | Mason vs. Williamston |
| 10 | | 1:02.60 | | Ehrhardt, Calvin | | 10 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 11 | | 1:02.84 | | Stover, Caleb | | 11 | | Williamston | | 12/20/2018 | | Owosso at Williamston |
| 12 | | 1:03.45 | | Seif, Karim | | 12 | | Mason | | 1/12/2019 | | Loy Norrix Invitational |
| 13 | | 1:04.51 | | Bellinger, Will | | 11 | | Williamston | | 1/17/2019 | | Ionia at Williamston |
| 14 | | 1:04.89 | | Hawkins, Jordan | | 12 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 15 | | 1:05.03 | | Meldrum, Conor | | 12 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 16 | | 1:05.18 | | Poyma, Nick | | 11 | | Williamston | | 12/20/2018 | | Owosso at Williamston |
| 17 | | 1:05.22 | | Williams, Gabe | | 10 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 18 | | 1:07.23 | | Hebert, Tommy | | 9 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 19 | | 1:07.60 | | Long, Will | | 12 | | Waverly | | 2/1/2019 | | DeWitt Invitational |
| 20 | | 1:07.82 | | Perreault, Killian | | 10 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 21 | | 1:08.63 | | Douglass, Kylen | | 9 | | Lansing | | 2/23/2019 | | CAAC Red Finals |
| 22 | | 1:08.70 | | Lock, Christian | | 1 | | Charlotte | | 1/4/2019 | | Charlotte at Lansing |
| 23 | | 1:10.87 | | Estill, Isaac | | 10 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 24 | | 1:11.21 | | O'Daniel, Matt | | 12 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 25 | | 1:11.57 | | Smiley, Briana | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 26 | | 1:12.14 | | Herrera, Chris | | 11 | | Waverly | | 1/26/2019 | | Haslett Invitational |
| 27 | | 1:12.45 | | Lashbrook, Max | | 10 | | Waverly | | 12/8/2018 | | Holt Invite |
| 28 | | 1:14.05 | | Ring, Joshua | | 9 | | Williamston | | 2/7/2019 | | Williamston at Eaton Rapids |
| 29 | | 1:15.19 | | Daman, Darren | | 12 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 30 | | 1:15.20 | | Carter, Ben | | 1 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 31 | | 1:16.31 | | Curry, Simeon | | 9 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 32 | | 1:16.60 | | Muenzenmaier, James | | 11 | | Mason | | 2/5/2019 | | Holt at Mason |
| 33 | | 1:16.87 | | Henderson, Quentin | | 11 | | Eaton Rapids | | 2/1/2019 | | DeWitt Invitational |
| 34 | | 1:17.37 | | Rumler, John | | 12 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 35 | | 1:18.92 | | Poole, Wesson | | 9 | | Charlotte | | 2/18/2019 | | Sturgis and Charlotte at Coldwater |
| 36 | | 1:18.94 | | O'Brien, Tommy | | 9 | | Eaton Rapids | | 2/1/2019 | | DeWitt Invitational |
| 37 | | 1:19.34 | | Gorishek, Elliot | | 1 | | Mason | | 1/12/2019 | | Loy Norrix Invitational |
| 38 | | 1:21.02 | | Meeuwenberg, Ethan | | 12 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 39 | | 1:21.53 | | Lee, Spencer | | 12 | | Waverly | | 1/26/2019 | | Haslett Invitational |
| 40 | | 1:21.92 | | Walkington, Zach | | 9 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 41 | | 1:22.37 | | Harris, Jj | | 1 | | Ionia | | 1/26/2019 | | Haslett Invitational |
| 42 | | 1:26.22 | | Emery, Max | | 11 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 43 | | 1:27.01 | | Buck, Sydney | | 12 | | Mason | | 12/14/2018 | | Mason Invitational |
| 44 | | 1:27.23 | | Brown, Briana | | 12 | | Mason | | 12/20/2018 | | Eaton Rapids at Mason |
| 45 | | 1:27.44 | | Blanco, Kobe | | 11 | | Charlotte | | 12/6/2018 | | Charlotte at Jackson |
| 46 | | 1:30.85 | | Hicks, Ameer | | 11 | | Waverly | | 1/24/2019 | | Waverly at Ionia |
| 47 | | 1:32.84 | | Mcmanus, Owen | | 9 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 48 | | 1:33.99 | | Vanbeelen, Jackson | | 11 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 49 | | 1:34.05 | | Jammer, Mason | | 9 | | Ionia | | 1/24/2019 | | Waverly at Ionia |
| 50 | | 1:40.30 | | Davis, Devarion | | 9 | | Waverly | | 2/13/2019 | | Mason at Waverly |
| 51 | | 1:41.10 | | Yang, Keiko | | 10 | | Lansing | | 1/10/2019 | | Lansing at Eaton Rapids |
| 52 | | 1:47.53 | | May, Hayden | | 10 | | Charlotte | | 2/14/2019 | | Ionia at Charlotte |
| 53 | | 1:54.14 | | Barnes, Tyler | | 11 | | Waverly | | 1/8/2019 | | Holt at Waverly |
| 54 | | 2:03.16 | | Hitchcock, Johnathan | | 9 | | Ionia | | 12/6/2018 | | Ionia at Corunna |
| 55 | | 2:13.71 | | Krause, Joseph | | 9 | | Waverly | | 2/1/2019 | | DeWitt Invitational |
| 56 | | 2:35.74 | | Lange, Alexander | | 9 | | Ionia | | 12/13/2018 | | Ionia at Lansing |
| |
| |
| 100 Freestyle |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 48.27 | | Cantrell, Jonas | | 10 | | Mason | | 3/9/2019 | | MHSAA Division III Championship Finals |
| 2 | | 50.20 | | Branson, Anthony | | 11 | | Mason | | 12/13/2018 | | Mason vs. Williamston |
| 3 | | 50.41 | | Hammons, Aidan | | 10 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 4 | | 51.03 | | Ritenour, Ky | | 10 | | Williamston | | 3/8/2019 | | MHSAA Division III Championship Prelims |
| 5 | | 51.23 | | Williams, Gabe | | 10 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 6 | | 51.47 | | Stover, Caleb | | 11 | | Williamston | | 2/26/2019 | | Second Shave |
| 7 | | 51.54 | | Boomer, Liam | | 9 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 8 | | 52.83 | | Bellinger, Will | | 11 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 9 | | 53.21 | | Johnson, Caleb | | 11 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 10 | | 54.23 | | Millerov, Bayley | | 10 | | Williamston | | 1/17/2019 | | Ionia at Williamston |
| 11 | | 55.29 | | Estill, Robbie | | 12 | | Waverly | | 1/24/2019 | | Waverly at Ionia |
| 12 | | 55.37 | | Daman, Darren | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 13 | | 55.66 | | Henderson, Quentin | | 11 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 14 | | 55.84 | | Seif, Karim | | 12 | | Mason | | 2/5/2019 | | Holt at Mason |
| 15 | | 55.93 | | Buck, Dillon | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 16 | | 55.94 | | O'Brien, Tommy | | 9 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 17 | | 56.01 | | Long, Will | | 12 | | Waverly | | 1/26/2019 | | Haslett Invitational |
| 18 | | 56.07 | | Henderson, Cullen | | 12 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 19 | | 56.51 | | Poyma, Nick | | 11 | | Williamston | | 2/26/2019 | | Second Shave |
| 20 | | 56.67 | | Carter, Ben | | 1 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 21 | | 56.90 | | Torra, Derrick | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 22 | | 57.15 | | Lashbrook, Max | | 10 | | Waverly | | 1/15/2019 | | Grand Ledge at Waverly |
| 23 | | 57.42 | | Muenzenmaier, James | | 11 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 24 | | 57.44 | | Hawkins, Jordan | | 12 | | Eaton Rapids | | 12/14/2018 | | Mason Invitational |
| 25 | | 57.79 | | Ehrhardt, Alden | | 10 | | Eaton Rapids | | 2/1/2019 | | DeWitt Invitational |
| 26 | | 58.03 | | Maass, Leon | | 12 | | Ionia | | 1/26/2019 | | Haslett Invitational |
| 27 | | 58.05 | | Smith, Forrest | | 10 | | Williamston | | 2/26/2019 | | Second Shave |
| 28 | | 58.23 | | Stark, Dain | | 12 | | Ionia | | 2/23/2019 | | CAAC Red Finals |
| 29 | | 58.34 | | Meldrum, Conor | | 12 | | Williamston | | 2/26/2019 | | Second Shave |
| 30 | | 58.42 | | Shaw, Ryan | | 10 | | Williamston | | 1/17/2019 | | Ionia at Williamston |
| 31 | | 58.55 | | Lathrop, Luke | | 12 | | Eaton Rapids | | 2/1/2019 | | DeWitt Invitational |
| 32 | | 59.11 | | Schafer, Landon | | 11 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 33 | | 59.53 | | Erhardt, Alden | | 10 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 34 | | 59.54 | | Hines, Jack | | 1 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 35 | | 59.84 | | Estill, Isaac | | 10 | | Waverly | | 1/26/2019 | | Haslett Invitational |
| 36 | | 1:00.31 | | Gorishek, Elliot | | 1 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 37 | | 1:00.44 | | Sinke, Ethan | | 10 | | Williamston | | 12/13/2018 | | Mason vs. Williamston |
| 38 | | 1:00.54 | | Lee, Spencer | | 12 | | Waverly | | 2/26/2019 | | Second Shave |
| 39 | | 1:00.63 | | Perreault, Killian | | 10 | | Charlotte | | 2/18/2019 | | Sturgis and Charlotte at Coldwater |
| 40 | | 1:00.67 | | Rumler, John | | 12 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 41 | | 1:01.00 | | Webb, Dane | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 42 | | 1:01.24 | | Poole, Wesson | | 9 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 43 | | 1:01.76 | | Freidrich, Sam | | 10 | | Ionia | | 2/22/2019 | | CAAC Red Prelims |
| 44 | | 1:01.76 | | O'Bryant, Evan | | 10 | | Charlotte | | 1/4/2019 | | Charlotte at Lansing |
| 45 | | 1:02.23 | | Blanco, Kobe | | 11 | | Charlotte | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 46 | | 1:02.34 | | May, Hayden | | 10 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 47 | | 1:02.40 | | Barnes, Tyler | | 11 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 48 | | 1:02.56 | | Miller, Richard | | 10 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 49 | | 1:02.59 | | Hebert, Tommy | | 9 | | Mason | | 2/5/2019 | | Holt at Mason |
| 50 | | 1:02.71 | | Herrera, Chris | | 11 | | Waverly | | 1/10/2019 | | Waverly at Charlotte |
| 51 | | 1:02.97 | | Morgan, Keith | | 10 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 52 | | 1:03.21 | | Warren, Tommy | | 9 | | Williamston | | 2/14/2019 | | Lansing at Williamston |
| 53 | | 1:03.23 | | Konieczny, Thad | | 11 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 54 | | 1:03.32 | | Houser, Gabe | | 9 | | Williamston | | 1/26/2019 | | Haslett Invitational |
| 55 | | 1:03.44 | | Buck, Sydney | | 12 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 56 | | 1:03.47 | | Maldonado-Garcia, Jaziel | | 10 | | Lansing | | 2/22/2019 | | CAAC Red Prelims |
| 57 | | 1:03.60 | | Douglass, Kylen | | 9 | | Lansing | | 1/15/2019 | | Lansing at Holt |
| 58 | | 1:03.64 | | Lock, Christian | | 1 | | Charlotte | | 2/14/2019 | | Ionia at Charlotte |
| 59 | | 1:03.64 | | Zurvalec, Brody | | 10 | | Williamston | | 12/20/2018 | | Owosso at Williamston |
| 60 | | 1:04.05 | | Meeuwenberg, Ethan | | 12 | | Mason | | 12/20/2018 | | Eaton Rapids at Mason |
| 61 | | 1:04.10 | | Scheunrman, Aidan | | 9 | | Williamston | | 2/26/2019 | | Second Shave |
| 62 | | 1:04.11 | | Hebert, Andrew | | 11 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 63 | | 1:04.26 | | Byers, Nate | | 10 | | Charlotte | | 2/5/2019 | | Ovid Elsie at Charlotte |
| 64 | | 1:04.26 | | Lanore, Trevor | | 11 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 65 | | 1:04.97 | | Vanbeelen, Jackson | | 11 | | Mason | | 1/17/2019 | | Mason, Charlotte and Alma at DeWitt |
| 66 | | 1:05.15 | | Phenix, Mason | | 10 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 67 | | 1:05.17 | | Plumbley, Eric | | 1 | | Waverly | | 12/8/2018 | | Holt Invite |
| 68 | | 1:06.15 | | Yang, Keiko | | 10 | | Lansing | | 2/22/2019 | | CAAC Red Prelims |
| 69 | | 1:06.33 | | Ring, Joshua | | 9 | | Williamston | | 2/14/2019 | | Lansing at Williamston |
| 70 | | 1:07.08 | | Hard, Nathan | | 12 | | Charlotte | | 2/22/2019 | | CAAC Red Prelims |
| 71 | | 1:07.34 | | Onze, Matt | | 1 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 72 | | 1:09.08 | | Goulding, Jacob | | 9 | | Mason | | 2/5/2019 | | Holt at Mason |
| 73 | | 1:10.34 | | Walkington, Zach | | 9 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 74 | | 1:10.61 | | Brown, Briana | | 12 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 75 | | 1:10.92 | | Schafer, Jack | | 10 | | Williamston | | 1/24/2019 | | Williamston at Charlotte |
| 76 | | 1:11.06 | | Winger, Colby | | 9 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 77 | | 1:11.53 | | Curry, Simeon | | 9 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 78 | | 1:11.64 | | Hicks, Ameer | | 11 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 79 | | 1:12.06 | | Sink, Dylan | | 12 | | Ionia | | 1/3/2019 | | Ovid-Elsie at Ionia |
| 80 | | 1:12.45 | | Shoaf, Sebastien | | 9 | | Waverly | | 2/13/2019 | | Mason at Waverly |
| 81 | | 1:12.53 | | Davis, Devarion | | 9 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 82 | | 1:12.77 | | Paulin, Joseph | | 9 | | Ionia | | 1/27/2015 | | Mason at Ionia |
| 83 | | 1:13.68 | | Pena, Kaiden | | 10 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 84 | | 74.58 | | Dominguez, Luis | | 0 | | Lansing | | 2/22/2019 | | CAAC Red Prelims |
| 85 | | 1:15.68 | | Lange, Alexander | | 9 | | Ionia | | 1/27/2015 | | Mason at Ionia |
| 86 | | 1:19.21 | | Beckhorn, Adam | | 11 | | Ionia | | 1/24/2019 | | Waverly at Ionia |
| 87 | | 1:19.44 | | Mcmanus, Owen | | 9 | | Eaton Rapids | | 2/1/2019 | | DeWitt Invitational |
| 88 | | 1:19.72 | | Fosburg, Luke | | 12 | | Ionia | | 2/22/2019 | | CAAC Red Prelims |
| 89 | | 1:19.96 | | Atwood, Zach | | 9 | | Ionia | | 12/14/2018 | | Mason Invitational |
| 90 | | 1:21.02 | | Leinbach, Sheridan | | 11 | | Lansing | | 2/22/2019 | | CAAC Red Prelims |
| 91 | | 1:21.38 | | Macias, Noe | | 9 | | Waverly | | 2/1/2019 | | DeWitt Invitational |
| 92 | | 1:23.41 | | Musser, Maverick | | 12 | | Ionia | | 2/22/2019 | | CAAC Red Prelims |
| 93 | | 1:23.60 | | Kellett, Kuper | | 10 | | Lansing | | 2/14/2019 | | Lansing at Williamston |
| 94 | | 1:25.20 | | Krause, Joseph | | 9 | | Waverly | | 2/23/2019 | | CAAC Red Finals |
| 95 | | 1:26.04 | | Richardson, Brody | | 12 | | Ionia | | 1/17/2019 | | Ionia at Williamston |
| 96 | | 1:26.39 | | Aiden, Heksem | | 9 | | Charlotte | | 2/22/2019 | | CAAC Red Prelims |
| 97 | | 1:31.98 | | Hitchcock, Johnathan | | 9 | | Ionia | | 12/18/2018 | | Ionia at Owosso |
| 98 | | 1:37.11 | | Amantay, Danial | | 12 | | Ionia | | 12/18/2018 | | Ionia at Owosso |
| 99 | | 1:46.45 | | Resibig, Zane | | 1 | | Ionia | | 1/3/2019 | | Ovid-Elsie at Ionia |
| 100 | | 1:50.80 | | Schmoekel, Brandon | | 1 | | Ionia | | 1/24/2019 | | Waverly at Ionia |
| |
| |
| 500 Freestyle |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 4:34.45 | | Cantrell, Jonas | | 10 | | Mason | | 3/9/2019 | | MHSAA Division III Championship Finals |
| 2 | | 5:13.44 | | Boomer, Liam | | 9 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 3 | | 5:17.99 | | Millerov, Bayley | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 4 | | 5:25.03 | | Johnson, Caleb | | 11 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 5 | | 5:34.54 | | Lashbrook, Max | | 10 | | Waverly | | 2/23/2019 | | CAAC Red Finals |
| 6 | | 5:36.75 | | Long, Will | | 12 | | Waverly | | 2/23/2019 | | CAAC Red Finals |
| 7 | | 5:44.34 | | Carter, Ben | | 1 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 8 | | 5:45.09 | | Estill, Robbie | | 12 | | Waverly | | 12/8/2018 | | Holt Invite |
| 9 | | 5:45.34 | | Ritenour, Ky | | 10 | | Williamston | | 12/20/2018 | | Owosso at Williamston |
| 10 | | 5:46.11 | | Hammons, Aidan | | 10 | | Charlotte | | 1/4/2019 | | Charlotte at Lansing |
| 11 | | 5:46.28 | | Babcock, Joe | | 11 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 12 | | 5:50.43 | | O'Bryant, Evan | | 10 | | Charlotte | | 2/18/2019 | | Sturgis and Charlotte at Coldwater |
| 13 | | 5:50.79 | | Shaw, Ryan | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 14 | | 5:55.06 | | Branson, Anthony | | 11 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 15 | | 5:56.26 | | Konieczny, Thad | | 11 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 16 | | 5:57.81 | | Buck, Dillon | | 12 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 17 | | 5:59.47 | | Bellinger, Will | | 11 | | Williamston | | 12/13/2018 | | Mason vs. Williamston |
| 18 | | 5:59.86 | | Blanco, Kobe | | 11 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 19 | | 6:01.78 | | Hard, Nathan | | 12 | | Charlotte | | 2/18/2019 | | Sturgis and Charlotte at Coldwater |
| 20 | | 6:05.22 | | Williams, Gabe | | 10 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 21 | | 6:09.62 | | Douglass, Kylen | | 9 | | Lansing | | 1/15/2019 | | Lansing at Holt |
| 22 | | 6:10.19 | | Rumler, John | | 12 | | Mason | | 2/5/2019 | | Holt at Mason |
| 23 | | 6:15.53 | | Ring, Joshua | | 9 | | Williamston | | 2/26/2019 | | Second Shave |
| 24 | | 6:17.46 | | Sinke, Ethan | | 10 | | Williamston | | 1/24/2019 | | Williamston at Charlotte |
| 25 | | 6:21.06 | | Estill, Isaac | | 10 | | Waverly | | 1/8/2019 | | Holt at Waverly |
| 26 | | 6:21.67 | | Meldrum, Conor | | 12 | | Williamston | | 12/18/2018 | | Williamston at Waverly |
| 27 | | 6:23.01 | | Warren, Tommy | | 9 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 28 | | 6:26.32 | | Vanbeelen, Jackson | | 11 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 29 | | 6:27.23 | | Lathrop, Luke | | 12 | | Eaton Rapids | | 1/17/2019 | | Eaton Rapids at Waverly |
| 30 | | 6:31.18 | | Byers, Nate | | 10 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 31 | | 6:39.46 | | Gorishek, Elliot | | 1 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 32 | | 6:43.72 | | Herrera, Chris | | 11 | | Waverly | | 1/15/2019 | | Grand Ledge at Waverly |
| 33 | | 6:45.90 | | Poole, Wesson | | 9 | | Charlotte | | 12/18/2018 | | Harper Creek at Charlotte |
| 34 | | 6:46.45 | | Felice, Kenney | | 9 | | Ionia | | 2/5/2019 | | Eaton Rapids at Ionia |
| 35 | | 6:53.98 | | Hebert, Tommy | | 9 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 36 | | 7:00.17 | | Schafer, Jack | | 10 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 37 | | 7:01.26 | | Curry, Simeon | | 9 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 38 | | 7:01.80 | | Ehrhardt, Alden | | 10 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 39 | | 7:05.22 | | Shoaf, Sebastien | | 9 | | Waverly | | 1/24/2019 | | Waverly at Ionia |
| 40 | | 7:05.24 | | Onze, Matt | | 1 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 41 | | 7:05.60 | | Meeuwenberg, Ethan | | 12 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 42 | | 7:06.06 | | Lee, Spencer | | 12 | | Waverly | | 1/17/2019 | | Eaton Rapids at Waverly |
| 43 | | 7:10.60 | | Henderson, Cullen | | 12 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 44 | | 7:12.35 | | Brown, Briana | | 12 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 45 | | 7:12.43 | | Hines, Jack | | 1 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 46 | | 7:13.59 | | Hurst, Aydan | | 1 | | Ionia | | 1/27/2015 | | Mason at Ionia |
| 47 | | 7:23.81 | | Cairns, Joel | | 10 | | Ionia | | 2/1/2019 | | DeWitt Invitational |
| 48 | | 7:24.61 | | Maldonado-Garcia, Jaziel | | 10 | | Lansing | | 2/14/2019 | | Lansing at Williamston |
| 49 | | 7:25.66 | | May, Hayden | | 10 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 50 | | 7:38.40 | | Hicks, Ameer | | 11 | | Waverly | | 2/13/2019 | | Mason at Waverly |
| 51 | | 7:38.97 | | Barnes, Tyler | | 11 | | Waverly | | 1/10/2019 | | Waverly at Charlotte |
| 52 | | 8:01.06 | | Burns, Aryan | | 10 | | Charlotte | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 53 | | 8:03.70 | | Pena, Kaiden | | 10 | | Charlotte | | 1/17/2019 | | Mason, Charlotte and Alma at DeWitt |
| 54 | | 8:11.79 | | Beckhorn, Adam | | 11 | | Ionia | | 1/26/2019 | | Haslett Invitational |
| 55 | | 8:18.32 | | Macias, Noe | | 9 | | Waverly | | 2/23/2019 | | CAAC Red Finals |
| 56 | | 8:25.22 | | Krause, Joseph | | 9 | | Waverly | | 1/15/2019 | | Grand Ledge at Waverly |
| 57 | | 8:39.14 | | Davis, Devarion | | 9 | | Waverly | | 1/24/2019 | | Waverly at Ionia |
| 58 | | 8:45.34 | | Aiden, Heksem | | 9 | | Charlotte | | 2/14/2019 | | Ionia at Charlotte |
| 59 | | 8:56.22 | | Jammer, Mason | | 9 | | Ionia | | 1/3/2019 | | Ovid-Elsie at Ionia |
| 60 | | 9:38.42 | | Fosburg, Luke | | 12 | | Ionia | | 12/18/2018 | | Ionia at Owosso |
| 61 | | 9:51.85 | | Heksem, Aiden | | 9 | | Charlotte | | 1/10/2019 | | Waverly at Charlotte |
| |
| |
| 100 Backstroke |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 54.25 | | Branson, Anthony | | 11 | | Mason | | 3/9/2019 | | MHSAA Division III Championship Finals |
| 2 | | 58.14 | | Seif, Karim | | 12 | | Mason | | 12/14/2018 | | Mason Invitational |
| 3 | | 58.47 | | Cantrell, Jonas | | 10 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 4 | | 1:00.28 | | Hawkins, Jordan | | 12 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 5 | | 1:00.53 | | Estill, Robbie | | 12 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 6 | | 1:01.72 | | Millerov, Bayley | | 10 | | Williamston | | 2/26/2019 | | Second Shave |
| 7 | | 1:03.06 | | Morgan, Keith | | 10 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 8 | | 1:04.46 | | Boomer, Liam | | 9 | | Mason | | 12/20/2018 | | Eaton Rapids at Mason |
| 9 | | 1:06.61 | | Buck, Dillon | | 12 | | Mason | | 2/5/2019 | | Holt at Mason |
| 10 | | 1:07.41 | | Lathrop, Luke | | 12 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 11 | | 1:07.76 | | Torra, Derrick | | 10 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 12 | | 1:09.25 | | Rumler, John | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 13 | | 1:09.39 | | Byers, Nate | | 10 | | Charlotte | | 2/22/2019 | | CAAC Red Prelims |
| 14 | | 1:09.74 | | Ring, Joshua | | 9 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 15 | | 1:10.03 | | Carter, Ben | | 1 | | Mason | | 12/20/2018 | | Eaton Rapids at Mason |
| 16 | | 1:10.08 | | Lashbrook, Max | | 10 | | Waverly | | 1/24/2019 | | Waverly at Ionia |
| 17 | | 1:10.69 | | Stover, Caleb | | 11 | | Williamston | | 12/20/2018 | | Owosso at Williamston |
| 18 | | 1:10.76 | | Erhardt, Alden | | 10 | | Eaton Rapids | | 12/14/2018 | | Mason Invitational |
| 19 | | 1:10.92 | | Poyma, Nick | | 11 | | Williamston | | 2/26/2019 | | Second Shave |
| 20 | | 1:11.41 | | Hebert, Tommy | | 9 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 21 | | 1:11.73 | | Lee, Spencer | | 12 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 22 | | 1:12.24 | | Zurvalec, Brody | | 10 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 23 | | 1:12.75 | | Buck, Sydney | | 12 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 24 | | 1:13.05 | | Hebert, Andrew | | 11 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 25 | | 1:13.61 | | Phenix, Mason | | 10 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 26 | | 1:13.79 | | Curry, Simeon | | 9 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 27 | | 1:13.80 | | O'Brien, Tommy | | 9 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 28 | | 1:14.05 | | Williams, Gabe | | 10 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 29 | | 1:15.09 | | Scheunrman, Aidan | | 9 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 30 | | 1:15.48 | | Meldrum, Conor | | 12 | | Williamston | | 12/11/2018 | | Haslett at Williamston |
| 31 | | 1:16.44 | | Lock, Christian | | 1 | | Charlotte | | 1/4/2019 | | Charlotte at Lansing |
| 32 | | 1:19.72 | | Houser, Gabe | | 9 | | Williamston | | 2/26/2019 | | Second Shave |
| 33 | | 1:19.80 | | Johnstone, Owen | | 9 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 34 | | 1:20.57 | | Richardson, Brody | | 12 | | Ionia | | 1/3/2019 | | Ovid-Elsie at Ionia |
| 35 | | 1:20.62 | | Warren, Tommy | | 9 | | Williamston | | 12/13/2018 | | Mason vs. Williamston |
| 36 | | 1:21.24 | | Muenzenmaier, James | | 11 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 37 | | 1:21.33 | | Vanbeelen, Jackson | | 11 | | Mason | | 2/5/2019 | | Holt at Mason |
| 38 | | 1:21.76 | | Yang, Keiko | | 10 | | Lansing | | 2/22/2019 | | CAAC Red Prelims |
| 39 | | 1:21.88 | | Barnes, Tyler | | 11 | | Waverly | | 1/17/2019 | | Eaton Rapids at Waverly |
| 40 | | 1:23.15 | | Estill, Isaac | | 10 | | Waverly | | 1/17/2019 | | Eaton Rapids at Waverly |
| 41 | | 1:23.73 | | Mcmanus, Owen | | 9 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 42 | | 1:25.36 | | Herrera, Chris | | 11 | | Waverly | | 1/10/2019 | | Waverly at Charlotte |
| 43 | | 1:27.15 | | Poole, Wesson | | 9 | | Charlotte | | 1/10/2019 | | Waverly at Charlotte |
| 44 | | 1:27.24 | | Lange, Alexander | | 9 | | Ionia | | 2/22/2019 | | CAAC Red Prelims |
| 45 | | 1:27.26 | | Goulding, Jacob | | 9 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 46 | | 1:27.61 | | Gorishek, Elliot | | 1 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 47 | | 1:27.62 | | Davis, Devarion | | 9 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 48 | | 1:28.09 | | Perreault, Killian | | 10 | | Charlotte | | 1/17/2019 | | Mason, Charlotte and Alma at DeWitt |
| 49 | | 1:34.28 | | Onze, Matt | | 1 | | Mason | | 12/13/2018 | | Mason vs. Williamston |
| 50 | | 1:35.09 | | Walkington, Zach | | 9 | | Mason | | 1/27/2015 | | Mason at Ionia |
| 51 | | 1:38.22 | | Hitchcock, Johnathan | | 9 | | Ionia | | 12/14/2018 | | Mason Invitational |
| 52 | | 1:39.44 | | Paulin, Joseph | | 9 | | Ionia | | 2/14/2019 | | Ionia at Charlotte |
| 53 | | 1:40.82 | | Shoaf, Sebastien | | 9 | | Waverly | | 2/1/2019 | | DeWitt Invitational |
| 54 | | 1:41.02 | | Brown, Briana | | 12 | | Mason | | 12/13/2018 | | Mason vs. Williamston |
| 55 | | 1:41.54 | | Atwood, Zach | | 9 | | Ionia | | 1/24/2019 | | Waverly at Ionia |
| 56 | | 1:44.07 | | Fosburg, Luke | | 12 | | Ionia | | 1/24/2019 | | Waverly at Ionia |
| 57 | | 1:45.44 | | Resibig, Zane | | 1 | | Ionia | | 1/3/2019 | | Ovid-Elsie at Ionia |
| 58 | | 1:45.58 | | Hicks, Ameer | | 11 | | Waverly | | 1/10/2019 | | Waverly at Charlotte |
| 59 | | 1:47.47 | | Pena, Kaiden | | 10 | | Charlotte | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 60 | | 1:53.76 | | Winger, Colby | | 9 | | Mason | | 12/20/2018 | | Eaton Rapids at Mason |
| 61 | | 1:55.89 | | Burns, Aryan | | 10 | | Charlotte | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 62 | | 1:57.34 | | Macias, Noe | | 9 | | Waverly | | 1/24/2019 | | Waverly at Ionia |
| 63 | | 2:01.74 | | Krause, Joseph | | 9 | | Waverly | | 2/22/2019 | | CAAC Red Prelims |
| 64 | | 2:22.09 | | Kellett, Kuper | | 10 | | Lansing | | 12/18/2018 | | Lansing at Grand Ledge |
| |
| |
| 100 Breaststroke |
| Rank | | Time/Score | | Name | | Grade | | Team | | Date | | Meet |
| 1 | | 1:04.81 | | Ritenour, Ky | | 10 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 2 | | 1:06.24 | | Cantrell, Jonas | | 10 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 3 | | 1:09.88 | | Lanore, Trevor | | 11 | | Eaton Rapids | | 2/22/2019 | | CAAC Red Prelims |
| 4 | | 1:10.06 | | O'Daniel, Matt | | 12 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 5 | | 1:10.10 | | Henderson, Quentin | | 11 | | Eaton Rapids | | 2/23/2019 | | CAAC Red Finals |
| 6 | | 1:10.33 | | Poyma, Nick | | 11 | | Williamston | | 2/14/2019 | | Lansing at Williamston |
| 7 | | 1:12.22 | | Hines, Jack | | 1 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 8 | | 1:12.93 | | Sinke, Ethan | | 10 | | Williamston | | 2/22/2019 | | CAAC Red Prelims |
| 9 | | 1:13.02 | | Buck, Dillon | | 12 | | Mason | | 1/17/2019 | | Mason, Charlotte and Alma at DeWitt |
| 10 | | 1:14.34 | | Lashbrook, Max | | 10 | | Waverly | | 2/23/2019 | | CAAC Red Finals |
| 11 | | 1:14.74 | | Felice, Kenney | | 9 | | Ionia | | 2/23/2019 | | CAAC Red Finals |
| 12 | | 1:14.81 | | Boomer, Liam | | 9 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 13 | | 1:15.15 | | Muenzenmaier, James | | 11 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 14 | | 1:16.43 | | Millerov, Bayley | | 10 | | Williamston | | 12/20/2018 | | Owosso at Williamston |
| 15 | | 1:17.49 | | O'Brien, Tommy | | 9 | | Eaton Rapids | | 2/5/2019 | | Eaton Rapids at Ionia |
| 16 | | 1:18.41 | | Onze, Matt | | 1 | | Mason | | 2/23/2019 | | CAAC Red Finals |
| 17 | | 1:18.61 | | Long, Will | | 12 | | Waverly | | 1/24/2019 | | Waverly at Ionia |
| 18 | | 1:19.27 | | Estill, Robbie | | 12 | | Waverly | | 1/8/2019 | | Holt at Waverly |
| 19 | | 1:19.50 | | Branson, Anthony | | 11 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 20 | | 1:20.05 | | Meeuwenberg, Ethan | | 12 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 21 | | 1:20.15 | | Miller, Richard | | 10 | | Charlotte | | 2/23/2019 | | CAAC Red Finals |
| 22 | | 1:20.26 | | Williams, Gabe | | 10 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 23 | | 1:21.75 | | Houser, Gabe | | 9 | | Williamston | | 2/23/2019 | | CAAC Red Finals |
| 24 | | 1:21.88 | | Blanco, Kobe | | 11 | | Charlotte | | 1/10/2019 | | Waverly at Charlotte |
| 25 | | 1:22.10 | | Gorishek, Elliot | | 1 | | Mason | | 12/13/2018 | | Mason vs. Williamston |
| 26 | | 1:22.26 | | Daman, Darren | | 12 | | Mason | | 2/13/2019 | | Mason at Waverly |
| 27 | | 1:23.15 | | Estill, Isaac | | 10 | | Waverly | | 1/15/2019 | | Grand Ledge at Waverly |
| 28 | | 1:23.75 | | Sink, Dylan | | 12 | | Ionia | | 2/23/2019 | | CAAC Red Finals |
| 29 | | 1:25.83 | | Cairns, Joel | | 10 | | Ionia | | 2/23/2019 | | CAAC Red Finals |
| 30 | | 1:26.39 | | Goulding, Jacob | | 9 | | Mason | | 1/25/2019 | | 2019 Clash of the Underclassmen |
| 31 | | 1:26.63 | | Warren, Tommy | | 9 | | Williamston | | 1/24/2019 | | Williamston at Charlotte |
| 32 | | 1:27.96 | | Hebert, Tommy | | 9 | | Mason | | 1/24/2019 | | Mason at Lansing |
| 33 | | 1:29.91 | | Miller, Mitchell | | 12 | | Charlotte | | 1/24/2019 | | Williamston at Charlotte |
| 34 | | 1:30.54 | | O'Bryant, Evan | | 10 | | Charlotte | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 35 | | 1:31.12 | | Vanbeelen, Jackson | | 11 | | Mason | | 1/22/2019 | | Grand Ledge and Ovid-Elsie at Mason |
| 36 | | 1:32.07 | | Babcock, Joe | | 11 | | Eaton Rapids | | 2/1/2019 | | DeWitt Invitational |
| 37 | | 1:35.41 | | Copeland, Chris | | 9 | | Eaton Rapids | | 12/12/2018 | | Charlotte at Eaton Rapids |
| 38 | | 1:35.74 | | Winger, Colby | | 9 | | Mason | | 2/22/2019 | | CAAC Red Prelims |
| 39 | | 1:36.66 | | Lee, Spencer | | 12 | | Waverly | | 12/18/2018 | | Williamston at Waverly |
| 40 | | 1:39.28 | | Perreault, Killian | | 10 | | Charlotte | | 12/18/2018 | | Harper Creek at Charlotte |
| 41 | | 1:42.38 | | Davis, Devarion | | 9 | | Waverly | | 1/26/2019 | | Haslett Invitational |
| 42 | | 1:45.49 | | Hicks, Ameer | | 11 | | Waverly | | 1/15/2019 | | Grand Ledge at Waverly |
| 43 | | 1:46.83 | | Shoaf, Sebastien | | 9 | | Waverly | | 2/13/2019 | | Mason at Waverly |
| 44 | | 1:48.11 | | Leinbach, Sheridan | | 11 | | Lansing | | 2/22/2019 | | CAAC Red Prelims |
| 45 | | 2:16.57 | | Schmoekel, Brandon | | 1 | | Ionia | | 2/22/2019 | | CAAC Red Prelims |
| 46 | | 2:43.72 | | Loring, Chris | | 12 | | Lansing | | 1/24/2019 | | Mason at Lansing |