| Event | School | Record Holder | Time | Year |
|---|---|---|---|---|
| 200 Medley Relay | Middleton | M. Carter, S. Wolf, C. Van Buren, C. Vitense | 1:30.61 | 2024 |
| 200 Free | Eau Claire Memorial-North | Paul DeLakis | 1:36.10 | 2016 |
| 200 IM | Eau Claire Memorial-North | Paul DeLakis | 1:46.18 | 2017 |
| 50 Free | Middleton | Jack Madoch | 19.61 | 2023 |
| Diving | Vel Phillips Memorial | Drew Bennett | 668.75 | 2022 |
| 100 Fly | Sheboygan North/Kohler | William Hayon | 47.14 | 2022 |
| 100 Free | Nicolet | Garrett Weber-Gale | 43.49 | 2003 |
| 500 Free | Hudson | Andrew Hanson | 4:24.74 | 2023 |
| 200 Free Relay | Sun Prairie East | E. Braatz, A. Lodahl, JP Anhalt, B. Wiegand | 1:22.69 | 2021 |
| 100 Back | Brookfield Central-Brookfield East | Stuart Seymour | 47.77 | 2023 |
| 100 Breast | Madison West | Abram Mueller | 53.20 | 2023 |
| 400 Free Relay | Middleton | T. Wolf, N. Chirafisi, S. Wolf, J. Madoch | 3:01.71 | 2023 |
