| Time | Date | Name | Meet |
|---|---|---|---|
| 1:45.48 | March 12, 2020 | Kristofer Rogic | CSCAA National Invitational Championship |
| 1:46.40 | Feb. 23, 2017 | Lovre Soric | Western Athletic Conference Championships |
| 1:46.55 | Feb. 25, 2016 | Lovre Soric | Western Athletic Conference Championships |
| 1:47.82 | Feb. 24, 2011 | Jake Preist | Mountain Pacific Sports Federation Championships |
| 1:48.72 | Feb. 25, 2010 | Chad McKenzie | Conference USA Championships |
| 1:49.68 | March 8, 2006 | Seth Dawson | NCAA Division II Championships |
