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| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 49.18 | March 22, 2019 | Beata Nelson | University of Wisconsin-Madison | NCAA Division I Womens Championships |
| 49.67 | Nov. 30, 2018 | Beata Nelson | University of Wisconsin-Madison | Texas Hall of Fame Invitational |
| 49.78 | Feb. 15, 2018 | Beata Nelson | University of Wisconsin-Madison | Big Ten Conference Championships (W) |
| 50.79 | Dec. 1, 2017 | Beata Nelson | University of Wisconsin-Madison | Texas Invitational |
| 51.05 | March 21, 2014 | Brooklynn Snodgrass | Indiana University-Bloomington | NCAA Division I Womens Championships |
| 51.08 | Oct. 31, 2008 | Kateryna Zubkova | Indiana University-Bloomington | Texas, Indiana @Michigan |
| 52.02 | March 21, 2008 | Kateryna Zubkova | Indiana University-Bloomington | NCAA Division I Womens Championships |
| 52.88 | March 9, 2007 | Leila Vaziri | Indiana University-Bloomington | NCAA Division I Womens Championships |
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