| Time | Date | Name | Meet |
|---|---|---|---|
| 42.89 | Feb. 26, 2022 | Max Walther | Ivy League Championships (M) |
| 43.05 | Dec. 6, 2015 | En-Wei Hu-Van Wright | Big Al Open |
| 43.11 | Nov. 22, 2008 | Doug Lennox | Cornell, Penn State @Princeton |
| 43.91 | March 4, 2004 | WILL REINHARDT | Men's EISL Championships |
| 44.10 | Feb. 28, 2002 | JESSE GAGE | Men's EISL Championships |
