| Time | Date | Name | Meet |
|---|---|---|---|
| 1:35.08 | March 12, 2024 | Ben Sampson | NCAA Division II Championship |
| 1:35.71 | March 7, 2023 | Ben Sampson | NCAA Division II Championship |
| 1:36.78 | Nov. 16, 2022 | Ben Sampson | TYR Colorado Mesa Inviational |
| 1:36.88 | March 14, 2019 | Arthur Cury | NCAA Division II Championship |
| 1:37.02 | Feb. 14, 2019 | Arthur Cury | Rocky Mountain Athletic Conference Championships |
| 1:38.24 | Feb. 10, 2017 | Sam Bryant | Rocky Mountain Athletic Conference Championships |
| 1:38.28 | Feb. 12, 2016 | Sam Bryant | Rocky Mountain Athletic Conference Championships |
| 1:38.72 | March 7, 2013 | Mehdi El Hazzaz | NCAA Division II Championships |
| 1:39.10 | Feb. 15, 2013 | Mehdi El Hazzaz | Rocky Mountain Athletic Conference Championships |
| 1:42.46 | Feb. 17, 2012 | Robert Eisendrath | Rocky Mountain Athletic Conference Championships |
| 1:44.25 | Feb. 11, 2011 | Robert Eisendrath | Rocky Mountain Athletic Conference Championships |
| 1:45.27 | Dec. 5, 2010 | Kent Stavrakas | Mesa State Invitational |
| 1:46.58 | Nov. 20, 2010 | Robert Eisendrath | SCAC Western Shootout |
