| Time | Date | Name | Meet |
|---|---|---|---|
| 47.39 | March 18, 2023 | Laticia-Leigh Transom | NCAA Division I Womens Championship |
| 47.86 | Feb. 18, 2023 | Laticia-Leigh Transom | Mountain Pacific Sports Federation Championships |
| 48.05 | Feb. 17, 2018 | Franziska Weidner | Mountain Pacific Sports Federation Championships |
| 48.55 | Feb. 26, 2017 | Bryndís Rún Hansen | UGA Last Chance Meet |
| 48.66 | Nov. 19, 2016 | Franziska Weidner | A3 Performance Invitational |
| 48.87 | Feb. 21, 2015 | Jasmine Alkhaldi | Mountain Pacific Sports Federation Championships |
| 49.24 | Nov. 22, 2014 | Jasmine Alkhaldi | A3 Performance Invitational |
| 49.27 | Feb. 22, 2014 | Jasmine Alkhaldi | Mountain Pacific Sports Federation Championships |
| 49.44 | Nov. 23, 2013 | Jasmine Alkhaldi | Arena Invitational |
| 49.49 | Nov. 17, 2012 | Jasmine Alkhaldi | Arena Cup |
| 50.08 | Nov. 20, 2010 | Maura Barrett | Arena Invitational |
| 51.28 | Feb. 28, 2009 | Jessica Stacy | Western Athletic Conference Championships - Day Four - Prelims |
