| Time | Date | Name | Meet |
|---|---|---|---|
| 50.04 | Feb. 24, 2018 | Abby VanHarn | Michigan Intercollegiate Athletic Association Championships |
| 50.19 | March 18, 2017 | Abby VanHarn | NCAA Division III Championships |
| 50.43 | March 19, 2016 | Abby VanHarn | NCAA Division III Championships |
| 50.85 | Feb. 20, 2016 | Abby VanHarn | Michigan Intercollegiate Athletic Association Championships |
| 50.99 | March 11, 2006 | Becky Weima | NCAA Division III Womens Championships |
