| Time | Date | Name | Meet |
|---|---|---|---|
| 3:25.09 | March 15, 2018 | Howe, Williams, HU, Manuel | NCAA Division I Womens Championships |
| 3:25.15 | Feb. 23, 2018 | Howe, Williams, HU, Manuel | Pacific 12 Championships (W) |
| 3:26.14 | March 17, 2016 | Howe, Haase, HU, Neal | NCAA Division I Womens Championships |
| 3:26.25 | Feb. 26, 2016 | Howe, Haase, HU, Neal | Pacific 12 Championships (W) |
| 3:26.41 | March 19, 2015 | Howe, Olsen, HU, Manuel | NCAA Division I Womens Championships |
| 3:27.51 | March 20, 2014 | DiRado, Olsen, Lee, Neal | NCAA Division I Womens Championships |
| 3:29.65 | Feb. 28, 2014 | DiRado, Olsen, Lee, Neal | Pacific 12 Championships (W) |
| 3:30.06 | March 21, 2013 | DiRado, Haase, Lee, Murez | NCAA Division I Womens Championships |
| 3:30.45 | March 18, 2010 | Smit, Breeden | NCAA Division I Womens Championships |
| 3:31.97 | March 19, 2009 | Webb, Smit | NCAA Division I Womens Championships |
| 3:33.77 | March 20, 2008 | Bruce, Bishop | NCAA Division I Womens Championships |
| 3:34.86 | March 8, 2007 | Bruce, Bishop | NCAA Division I Womens Championships |
