| Name | Time | Date | Meet |
|---|---|---|---|
| Daniel Woods | 50.73 | Feb. 15, 2014 | 2014 Middle Atlantic Conference Championships |
| Daniel Woods | 52.07 | Nov. 22, 2013 | Swarthmore College Invitational |
| Daniel Woods | 52.15 | Feb. 9, 2013 | 2013 Middle Atlantic Conference Championships |
| Daniel Woods | 52.63 | Feb. 11, 2012 | Middle Atlantic Conference Championships |
| Daniel Woods | 54.23 | Dec. 2, 2011 | Swarthmore Invitational |
| Daniel Woods | 55.34 | Nov. 16, 2011 | Misercordia vs. Lycoming |
| Brian Fausel | 56.22 | Jan. 18, 2009 | Ursinus @Lycoming |
