| Name | Time | Date | Meet |
|---|---|---|---|
| Erin Sullivan | 55.91 | Feb. 8, 2017 | 2017 Northern Sun Intercollegiate Conference Championships |
| Erin Sullivan | 57.23 | Feb. 18, 2016 | 2016 New South Conference Championships |
| Claire Caron | 57.51 | Feb. 11, 2011 | Rocky Mountain Athletic Conference Championships |
| Lauren Baalman | 57.88 | March 12, 2009 | 2009 NCAA DII Men's & Women's Championships |
| Karena King | 58.63 | March 13, 2008 | 2008 NCAA Division II Championships |
| Lauren Baalman | 1:00.85 | March 15, 2007 | 2007 NCAA Division II Championships |
