| Time | Date | Name | Meet |
|---|---|---|---|
| 53.66 | Feb. 17, 2019 | Luke Holloway | Capital Athletic Conference Championships |
| 55.74 | Feb. 25, 2018 | Luke Holloway | Capital Athletic Conference Championships |
| 56.17 | Jan. 28, 2017 | Christian March | MU v. FSU |
| 56.65 | Oct. 28, 2016 | Christian March | Mary Washington vs. Frostburg St. |
| 58.44 | Jan. 18, 2016 | Sid Horton | Elizabethtown vs. Frostburg St |
| 1:16.33 | Nov. 22, 2015 | Zach Shattuck | Franklin and Marshall Invitational |
