| Time | Date | Name | Meet |
|---|---|---|---|
| 43.68 | March 16, 2024 | Camilo Marrugo | NCAA Division II Championship |
| 43.74 | March 12, 2022 | Camilo Marrugo | NCAA Division II Championship |
| 44.19 | Dec. 4, 2021 | Tim Stollings | Calvin Winter Invite |
| 44.46 | March 20, 2021 | Tim Stollings | NCAA Division II Championships |
| 44.53 | Feb. 19, 2021 | Tim Stollings | Malone vs Findlay |
| 44.59 | Dec. 2, 2017 | Janko Radmanovic | Calvin Invitational |
| 45.17 | Feb. 21, 2009 | Kyle Johnson | Sun Belt Conference Championships - Day Three - Finals |
| 49.19 | Nov. 15, 2008 | Kyle Johnson | Georgia Southern, Miami, New Orleans, Western Kentucky @Georgia Tech |
| 49.65 | Nov. 7, 2008 | Ian Naumann | Albion, Findley @Hillsdale |
