| Time | Date | Name | Meet |
|---|---|---|---|
| 44.81 | Feb. 18, 2012 | Jordan Degayner | Southern Collegiate Athletic Conference Championships |
| 45.08 | March 26, 2011 | Jordan Degayner | NCAA Division III Championships |
| 45.59 | Feb. 19, 2011 | Jordan Degayner | Southern Collegiate Athletic Conference Championships |
| 46.06 | Feb. 20, 2010 | Jordan Degayner | Southern Collegiate Athletic Conference Championships |
| 48.36 | Nov. 7, 2009 | Jordan Degayner | Colorado School of Mines vs. Colorado |
