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| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 44.32 | March 14, 2019 | Marius Kusch | Queens University Charlotte | NCAA Division II Championship |
| 44.81 | Feb. 8, 2019 | Marius Kusch | Queens University Charlotte | Bluegrass Mountain / Carolinas Conference Championships |
| 44.89 | March 12, 2015 | Matthew Josa | Queens University Charlotte | NCAA Division II Championships |
| 45.45 | March 13, 2014 | Matthew Josa | Queens University Charlotte | NCAA Division II Championships |
| 46.38 | Dec. 6, 2013 | Matthew Josa | Queens University Charlotte | AT&T Winter National Championships |
| 46.94 | March 10, 2011 | Jay Kim | Drury University | NCAA Division II Championships |
| 47.25 | March 12, 2009 | Duarte Mourao | Wayne State University | NCAA DII Men's & Women's Championships |
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