| Name | Time | Date | Meet |
|---|---|---|---|
| Emily McDonald | 51.01 | March 21, 2009 | 2009 NCAA Division III Championships |
| Emily McDonald | 51.70 | Feb. 22, 2009 | 2009 New England Small College Athletic Conference Championships (Women) - Day Three - Finals |
| Emily McDonald | 52.20 | March 15, 2008 | 2008 NCAA Division III Womens Championship |
| Barbara Van Der Veer | 52.77 | March 10, 2007 | 2007 NCAA Division III Womens Championships |
| Barbara Van Der Veer | 52.83 | March 11, 2006 | 2006 NCAA Division III Womens Championships |
