| Name | Time | Date | Meet |
|---|---|---|---|
| Brittany Aoyama | 52.04 | Nov. 18, 2016 | Art Adamson Invitational |
| Brittany Aoyama | 52.06 | Nov. 21, 2014 | Art Adamson Invitational |
| Brittany Aoyama | 52.16 | Feb. 21, 2014 | 2014 Mountain West Conference Championships |
| Amber Boucher | 52.30 | Feb. 24, 2012 | Mountain West Conference Championships |
| Amber Boucher | 52.71 | March 18, 2011 | 2011 NCAA Division I Womens Championships |
| Amber Boucher | 53.44 | Dec. 3, 2010 | Missouri Invitational |
| Amber Boucher | 54.42 | Feb. 26, 2010 | Western Athletic Conference Championships |
| Amber Boucher | 55.69 | Feb. 27, 2009 | 2009 Western Athletic Conference Championships - Day Three - Finals |
| Chelsea Lopus | 58.63 | Oct. 10, 2008 | 2008 WAC Shootout |
