| Time | Date | Name | Meet |
|---|---|---|---|
| 51.77 | Feb. 25, 2018 | Macey Nitchie | Capital Athletic Conference Championships |
| 52.06 | Nov. 19, 2017 | Macey Nitchie | F&M WInter Invitational |
| 52.08 | Feb. 19, 2017 | Macey Nitchie | Capital Athletic Conference Championships |
| 52.87 | Nov. 20, 2016 | Macey Nitchie | Franklin & Marshall Invitational |
| 53.17 | Feb. 21, 2016 | Macey Nitchie | Capital Athletic Conference Championships |
| 53.74 | Nov. 22, 2015 | Macey Nitchie | Franklin and Marshall Invitational |
| 53.79 | Feb. 22, 2015 | Macey Nitchie | Capital Athletic Conference Championships |
| 55.48 | Jan. 31, 2015 | Macey Nitchie | Mary Washington vs. Frostburg State, Marymount (Virginia) |
| 55.87 | Feb. 26, 2012 | Hannah Edler | Eastern College Athletic Conference Championships |
| 57.28 | Nov. 19, 2011 | Hannah Edler | Randolph Macon Invitational |
| 58.56 | Feb. 20, 2011 | Samantha Mulvey | Capital Athletic Conference Inc. Championships |
| 59.29 | Oct. 23, 2009 | Samantha Mulvey | Clarion Fall Classic |
| 1:06.98 | Nov. 5, 2008 | Keisha Lewis | Frostburg @Washington & Jefferon |
