| Event | Time | Date | Name | Meet | History |
|---|---|---|---|---|---|
| 50 Free | 20.80 | Feb. 23, 2024 | Harrison Hong | NESCAC Mens Championships | |
| 100 Free | 45.74 | Feb. 19, 2023 | Mason Polaner | NESCAC Mens Championships | |
| 200 Free | 1:40.01 | Feb. 16, 2023 | Mason Polaner | NESCAC Mens Championships | |
| 500 Free | 4:35.00 | Feb. 17, 2023 | Mason Polaner | NESCAC Mens Championships | |
| 1000 Free | 9:40.47 | Feb. 19, 2022 | Hartmut Doerwaldt | NESCAC Mens Championships | |
| 1650 Free | 15:54.08 | March 17, 2007 | Ben Byers | NCAA Division III Mens Championships | |
| 50 Back | 18.48 | Jan. 7, 2013 | Russell Madison | - | |
| 100 Back | 50.37 | Feb. 24, 2024 | Harrison Hong | NESCAC Mens Championships | |
| 200 Back | 1:54.18 | Feb. 20, 2022 | Richard Ettinger | NESCAC Mens Championships | |
| 50 Breast | 26.16 | Feb. 20, 2015 | William Hepner | NESCAC Men's Championships | |
| 100 Breast | 58.00 | Feb. 21, 2015 | William Hepner | NESCAC Men's Championships | |
| 200 Breast | 2:06.80 | Feb. 19, 2023 | Daniel Isman | NESCAC Mens Championships | |
| 50 Fly | 22.26 | Feb. 23, 2024 | Harrison Hong | NESCAC Mens Championships | |
| 100 Fly | 48.12 | Feb. 3, 2024 | Harrison Hong | Wesleyan vs. Conn College | |
| 200 Fly | 1:50.06 | Feb. 19, 2017 | Ali Pourmaleki | NESCAC Men's Championships | |
| 100 IM | 51.81 | Feb. 3, 2024 | Harrison Hong | Wesleyan vs. Conn College | |
| 200 IM | 1:53.38 | Feb. 17, 2023 | Richard Ettinger | NESCAC Mens Championships | |
| 400 IM | 4:05.16 | Feb. 18, 2023 | Eric Tran | NESCAC Mens Championships | |
| 200 Free Relay | 1:24.03 | Feb. 23, 2018 | Pourmaleki, Kapphahn, Tang, Winn | NESCAC Championships Men | |
| 400 Free Relay | 3:05.93 | Feb. 19, 2023 | Kantar, Polaner, Hong, Ettinger | NESCAC Mens Championships | |
| 800 Free Relay | 6:52.15 | Feb. 16, 2023 | Polaner, Hong, Doerwaldt, Ettinger | NESCAC Mens Championships | |
| 200 Medley Relay | 1:32.39 | Feb. 24, 2024 | Bretall, Chan, Hong, Anderson | NESCAC Mens Championships | |
| 400 Medley Relay | 3:26.04 | Feb. 24, 2024 | Hong, Isman, Anderson, Polaner | NESCAC Mens Championships |
