| Time | Date | Name | Meet |
|---|---|---|---|
| 3:53.46 | Feb. 7, 2023 | Ronan Lauinger | 2023 RMAC Swimming and Diving Championships |
| 3:55.76 | March 10, 2022 | Ronan Lauinger | NCAA Division II Championship |
| 3:58.12 | Feb. 14, 2019 | Jonathan Donehower | Rocky Mountain Athletic Conference Championships |
| 3:59.47 | Nov. 21, 2009 | Jacob Dole | Washington University Invitational |
| 4:03.62 | March 12, 2009 | Kevin Shaw | NCAA DII Men's & Women's Championships |
