| Time | Date | Name | Meet |
|---|---|---|---|
| 4:24.63 | March 10, 2023 | Matheus Laperreire | NCAA Division II Championship |
| 4:28.13 | Feb. 10, 2017 | Sam Bryant | Rocky Mountain Athletic Conference Championships |
| 4:29.09 | Feb. 12, 2016 | Sam Bryant | Rocky Mountain Athletic Conference Championships |
| 4:33.69 | March 14, 2014 | Jarren Brinton | NCAA Division II Championships |
| 4:34.97 | Feb. 21, 2014 | Tyler Kaslik | Rocky Mountain Athletic Conference Championships |
| 4:39.72 | Feb. 16, 2012 | A. J. Detra | Rocky Mountain Athletic Conference Championships |
| 4:45.19 | Feb. 10, 2011 | Scott Strehlow | Rocky Mountain Athletic Conference Championships |
| 4:49.51 | Feb. 11, 2010 | Scott Strehlow | Rocky Mountain Athletic Conference Championship |
