| Time | Date | Name | Meet |
|---|---|---|---|
| 50.01 | Feb. 18, 2023 | Daniel Garcia | Kenyon College Fast Chance Invitational |
| 51.35 | Nov. 4, 2022 | Daniel Garcia | Wayne State vs. Findlay vs. Northern Michigan |
| 54.28 | Jan. 17, 2020 | Tim Stollings | Findlay vs. Wayne State |
| 54.76 | Jan. 16, 2015 | Todo Djurovic | Wayne State (MI) vs. Findlay |
| 55.15 | Jan. 17, 2014 | Todo Djurovic | Findlay vs. Wayne State |
