| Name | Time | Date | Meet |
|---|---|---|---|
| Samuel Davis | 46.55 | Feb. 15, 2015 | 2015 Landmark Conference Championships |
| Samuel Davis | 47.55 | Dec. 6, 2014 | Randolph-Macon Invitational |
| Georgi Shalamanov | 47.97 | Feb. 12, 2010 | Landmark Conference Championships |
| Charles Rooney | 51.45 | Oct. 31, 2009 | Goucher vs. Catholic |
| Charles Rooney | 52.49 | Oct. 24, 2009 | Goucher vs. Susquehanna |
| Jim McGowan | 52.55 | Feb. 15, 2009 | 2009 Capital Athletic Conference Championships - Day Three - Finals |
