| Name | Time | Date | Meet |
|---|---|---|---|
| Artur Osvath | 46.82 | March 1, 2018 | Mid-American Championships (M) |
| Artur Osvath | 46.94 | March 3, 2017 | 2017 Mid-American Championships (M) |
| Victor Serra | 47.29 | Nov. 15, 2008 | 2008 Henderson State Invitational |
| Gilad Kaufman | 50.20 | Nov. 7, 2008 | Missouri @Southern Illinois |
