| Time | Date | Name | Meet |
|---|---|---|---|
| 1:45.66 | March 2, 2024 | Danielis Kvederis | Western Athletic Conference Championships |
| 1:46.01 | Feb. 28, 2015 | Bart Wanot | Western Athletic Conference Championships |
| 1:46.26 | March 1, 2014 | Nic Morrell | Western Athletic Conference Championships |
| 1:47.68 | Feb. 26, 2011 | Joseph Wertz | Mountain Pacific Sports Federation Championships |
| 1:49.30 | Feb. 10, 2010 | Joseph Wertz | Pacific Collegiate Swim Conference Championships |
| 1:56.35 | Nov. 6, 2009 | Joseph Wertz | Brigham Young vs. Boise State, New Mexico, Seattle |
| 1:58.34 | Oct. 31, 2009 | Joseph Wertz | UC-Davis vs. Seattle |
