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| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 52.07 | March 14, 2019 | Polina Lapshina | Queens University Charlotte | NCAA Division II Championship |
| 52.45 | March 14, 2014 | Mary Hanson | California Baptist University | NCAA Division II Championships |
| 52.67 | March 13, 2014 | Mary Hanson | California Baptist University | NCAA Division II Championships |
| 52.90 | March 10, 2011 | Sara Franklin | Wayne State University | NCAA Division II Championships |
| 53.80 | Feb. 11, 2011 | Sara Franklin | Wayne State University | Great Lakes Intercollegiate Athletic Conference Championships |
| 53.88 | March 13, 2009 | Jing Hua | Drury University | NCAA DII Men's & Women's Championships |
| 54.24 | Feb. 20, 2009 | Erica Smith | University of Indianapolis | Atlantic Coast Conference Championships (Women) - Day Three - Finals |
| 54.73 | March 16, 2007 | Jing Hua | Drury University | NCAA Division II Championships |
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