| Time | Date | Name | Meet |
|---|---|---|---|
| 43.41 | March 19, 2016 | Thomas Thetford | NCAA Division III Championships |
| 43.95 | Feb. 14, 2016 | Thomas Thetford | Old Dominion Athletic Conference Championships |
| 44.44 | March 21, 2015 | Thomas Thetford | NCAA Division III Championships |
| 44.51 | March 22, 2008 | Alex Sweet | NCAA Division III Mens Championship |
| 45.24 | March 17, 2007 | Alex Sweet | NCAA Division III Mens Championships |
| 46.94 | March 18, 2006 | Tim McGlaston | NCAA Division III Mens Championships |
