| Time | Date | Name | Meet |
|---|---|---|---|
| 53.67 | Feb. 24, 2017 | Tanner Schelling | Western Athletic Conference Championships |
| 53.85 | Dec. 3, 2016 | Tanner Schelling | 68th Husky Invitational (College) |
| 54.25 | Feb. 26, 2016 | Tanner Schelling | Western Athletic Conference Championships |
| 54.86 | March 14, 2008 | Jakub Jiracek | NCAA Division II Championships |
| 57.37 | March 16, 2007 | Doug Djang | NCAA Division II Championships |
| 1:00.84 | March 10, 2006 | Matt Oram | NCAA Division II Championships |
