| Name | Time | Date | Meet |
|---|---|---|---|
| Silja KANSAKOSKI | 58.44 | Feb. 24, 2017 | 2017 Pacific 12 Championships (W) |
| Rebecca Ejdervik | 58.90 | Feb. 25, 2011 | Pacific-10 Conference Womens Championships |
| Rebecca Ejdervik | 59.90 | March 19, 2010 | 2010 NCAA Division I Womens Championships |
| Rebecca Ejdervik | 1:00.06 | Feb. 24, 2010 | Pacific 10 Women's Championships |
| Jordyn Green | 1:01.83 | Dec. 5, 2008 | 2008 Texas Invitational |
| Sara McDaniel | 1:02.99 | March 9, 2007 | 2007 NCAA Division I Womens Championships |
