Relays
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| 200 Medley Relay |
| Rank | | Time | | Team | | Date | | Meet | | Names |
| 1 | | 1:37.34 | | DeWitt | | 2/27/2024 | | Second Shave | | Dominic Rose - 12, Vincent Rose - 9, Ben Mion - 11, Noah Berns - 12 |
| 2 | | 1:40.12 | | Okemos | | 2/1/2024 | | East Lansing at Okemos | | Kenneil Tucker - 11, Derrin Cosguner - 12, Alex Huang - 12, Derek Latimer - 12 |
| 3 | | 1:40.70 | | Mason | | 3/8/2024 | | MHSAA D3 Prelims | | Blake Delaney - 9, Aiden Metzger - 12, Nick West - 12, Landon Voss - 9 |
| 4 | | 1:43.94 | | East Lansing | | 2/24/2024 | | CAAC Blue | | Colin Fitzgerald - 10, Matthew Thompson - 12, John Bellon - 12, Nathan Thayer - 11 |
| 5 | | 1:47.74 | | Eaton Rapids | | 2/24/2024 | | CAAC Red | | Danny O'Brien - 11, Brody Collins - 11, Lucas Sullivan - 11, Jordan Cochrane - 11 |
| 6 | | 1:51.53 | | St. Johns | | 2/1/2024 | | DeWitt at St. Johns | | Brayden Hirschman - 11, Marshall Hirschman - 9, Sebastian Luce - 12, James Davis - 11 |
| 7 | | 1:52.34 | | Williamston | | 2/24/2024 | | CAAC Red | | Matthew Peterson - 11, Isaac Holden - 12, Aidan Bellinger - 12, Nathan Dery - 12 |
| 8 | | 1:54.26 | | Grand Ledge | | 1/20/2024 | | Haslett Invitational | | Aaron Burm - 10, Miles Buttel - 10, Ethan Emerson - 10, Theodore Baumer - 11 |
| 9 | | 1:54.96 | | Holt | | 1/16/2024 | | Lansing vs Williamston at Holt | | Casey Sparks - 12, Seth Amoguis - 12, Peter Mckinney - 12, Jacob Cook - 10 |
| 10 | | 1:55.38 | | Haslett | | 2/1/2024 | | Williamston at Haslett | | Connor Amley - 11, Luke Waters - 11, Oliver Costello - 11, Xavier Pacis - 10 |
| 11 | | 1:59.11 | | Waverly | | 2/24/2024 | | CAAC Red | | Nathan Gross - 9, Thad Shoaf - 11, Elijah Nevins - 12, Kiernan Bradford - 11 |
| 12 | | 1:59.67 | | Charlotte | | 2/24/2024 | | CAAC Red | | Noah Robinson - 10, Hayden Sanders - 10, Adam Rickerd - 9, Lucas Chamberlin - 12 |
| 13 | | 2:04.65 | | Ovid-Elsie | | 1/16/2024 | | Corunna at Ovid-Elsie | | Lindsey Washburn - 11, Carter Hebeler - 12, Jacob Kast - 12, Pau Gifre - 12 |
| 14 | | 2:05.32 | | Ionia | | 2/8/2024 | | Williamston at Ionia | | Jaxxon Thelen - 10, Seth Wandell - 12, Carl Goeckel - 11, Nick Richey - 11 |
| 15 | | 2:14.01 | | Lansing | | 2/8/2024 | | Haslett at Lansing | | Roman Cardenas - 11, Julian Deines - 12, Crystal Dominguez - 12, Peter Thelen - 11 |
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| 200 Freestyle Relay |
| Rank | | Time | | Team | | Date | | Meet | | Names |
| 1 | | 1:27.27 | | Okemos | | 3/8/2024 | | MHSAA D2 Prelims | | Alex Huang - 12, Carlo Macerata - 12, Derrin Cosguner - 12, Derek Latimer - 12 |
| 2 | | 1:27.27 | | Okemos | | 3/9/2024 | | MHSAA D2 | | Alex Huang - 12, Carlo Macerata - 12, Derrin Cosguner - 12, Derek Latimer - 12 |
| 3 | | 1:28.90 | | DeWitt | | 3/8/2024 | | MHSAA D3 Prelims | | Dominic Rose - 12, Kaleb Casler - 12, Reid Rusthoven - 11, Noah Berns - 12 |
| 4 | | 1:31.35 | | Mason | | 2/24/2024 | | CAAC Red | | Nathan Fordham - 12, Blake Delaney - 9, Landon Voss - 9, Nick West - 12 |
| 5 | | 1:33.11 | | Eaton Rapids | | 2/24/2024 | | CAAC Red | | Danny O'Brien - 11, Jordan Cochrane - 11, Parker Zaucha - 10, Lucas Sullivan - 11 |
| 6 | | 1:33.65 | | East Lansing | | 2/27/2024 | | Second Shave | | Nathan Thayer - 11, Matthew Thompson - 12, Jonah Robertson - 10, John Bellon - 12 |
| 7 | | 1:33.83 | | Holt | | 3/8/2024 | | MHSAA D2 Prelims | | Casey Sparks - 12, Jacob Cook - 10, Seth Amoguis - 12, Peter Mckinney - 12 |
| 8 | | 1:35.39 | | Grand Ledge | | 2/24/2024 | | CAAC Blue | | Theodore Baumer - 11, Sam Schaefer - 11, Miles Buttel - 10, Ethan Emerson - 10 |
| 9 | | 1:36.49 | | St. Johns | | 2/24/2024 | | CAAC Blue | | Sebastian Luce - 12, Jacob Glew - 12, Brayden Hirschman - 11, Christian Simmons - 10 |
| 10 | | 1:38.55 | | Williamston | | 2/27/2024 | | Second Shave | | Aidan Bellinger - 12, Victor Bahamonde Grobas - 10, Liam Agnew - 11, Nathan Dery - 12 |
| 11 | | 1:41.46 | | Haslett | | 2/24/2024 | | CAAC Red | | Oliver Costello - 11, Seth Eschtruth - 11, Dylan Lydic - 11, Connor Amley - 11 |
| 12 | | 1:45.73 | | Lansing | | 2/24/2024 | | CAAC Red | | Julian Deines - 12, Ella Gordon - 12, Roman Cardenas - 11, Peter Thelen - 11 |
| 13 | | 1:46.03 | | Waverly | | 2/24/2024 | | CAAC Red | | Elijah Nevins - 12, Thad Shoaf - 11, Kiernan Bradford - 11, Nathan Gross - 9 |
| 14 | | 1:46.77 | | Charlotte | | 12/16/2023 | | Mason Invitational | | Hayden Sanders - 10, Noah Robinson - 10, Lucas Chamberlin - 12, Adam Rickerd - 9 |
| 15 | | 1:53.31 | | Ionia | | 2/24/2024 | | CAAC Red | | Carl Goeckel - 11, Gabriel Holman - 10, Seth Wandell - 12, Christian Martinez - 10 |
| 16 | | 2:04.14 | | Ovid-Elsie | | 12/7/2023 | | Ovid-Elsie at Holly | | Jacob Kast - 12, Lindsey Washburn - 11, Carter Hebeler - 12, Pau Gifre - 12 |
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| 400 Freestyle Relay |
| Rank | | Time | | Team | | Date | | Meet | | Names |
| 1 | | 3:16.75 | | Okemos | | 2/24/2024 | | CAAC Blue | | Alex Huang - 12, Karim Hussein - 10, Carlo Macerata - 12, Derek Latimer - 12 |
| 2 | | 3:17.05 | | Mason | | 3/9/2024 | | MHSAA D3 | | Evan Collins - 12, Gerald Verhage - 12, Max Collins - 12, Nick West - 12 |
| 3 | | 3:18.56 | | DeWitt | | 2/24/2024 | | CAAC Blue | | Kaleb Casler - 12, Reid Rusthoven - 11, Owen Reed - 12, Dominic Rose - 12 |
| 4 | | 3:27.67 | | Holt | | 2/24/2024 | | CAAC Blue | | Peter Mckinney - 12, Jacob Cook - 10, Kade Dextrom - 10, Casey Sparks - 12 |
| 5 | | 3:29.98 | | East Lansing | | 2/27/2024 | | Second Shave | | Nathan Thayer - 11, Colin Fitzgerald - 10, Jonah Robertson - 10, John Bellon - 12 |
| 6 | | 3:31.60 | | Grand Ledge | | 2/24/2024 | | CAAC Blue | | Theodore Baumer - 11, Adam Legal - 11, Ethan Emerson - 10, Miles Buttel - 10 |
| 7 | | 3:36.00 | | Williamston | | 2/24/2024 | | CAAC Red | | Nathan Dery - 12, Liam Agnew - 11, Isaac Holden - 12, Aidan Bellinger - 12 |
| 8 | | 3:37.69 | | St. Johns | | 2/24/2024 | | CAAC Blue | | Brayden Hirschman - 11, Owen Gibson - 10, Christian Simmons - 10, Sebastian Luce - 12 |
| 9 | | 3:41.27 | | Eaton Rapids | | 2/24/2024 | | CAAC Red | | Parker Zaucha - 10, Aaron Saunders - 11, Cody Benkovsky - 11, Brody Collins - 11 |
| 10 | | 3:49.09 | | Haslett | | 2/24/2024 | | CAAC Red | | Xavier Pacis - 10, Dylan Lydic - 11, Connor Amley - 11, Seth Eschtruth - 11 |
| 11 | | 3:51.62 | | Charlotte | | 2/24/2024 | | CAAC Red | | Noah Robinson - 10, Adam Rickerd - 9, Lucas Chamberlin - 12, Hayden Sanders - 10 |
| 12 | | 3:58.77 | | Ionia | | 2/24/2024 | | CAAC Red | | Carl Goeckel - 11, Brendin Bushee - 12, Christian Martinez - 10, Nick Richey - 11 |
| 13 | | 4:01.06 | | Waverly | | 2/27/2024 | | Second Shave | | Elijah Nevins - 12, Thad Shoaf - 11, Jameson Baker - 10, Kiernan Bradford - 11 |
| 14 | | 4:03.23 | | Lansing | | 2/24/2024 | | CAAC Red | | Roman Cardenas - 11, Ella Gordon - 12, Peter Thelen - 11, Julian Deines - 12 |
| 15 | | 4:28.24 | | Ovid-Elsie | | 1/16/2024 | | Corunna at Ovid-Elsie | | Lindsey Washburn - 11, Jacob Kast - 12, Pau Gifre - 12, Jolene Hebeler - 10 |