| Time | Date | Name | Meet |
|---|---|---|---|
| 54.90 | Feb. 23, 2024 | Matt Kenvin | Liberty League Championships |
| 55.66 | Dec. 2, 2023 | Matt Kenvin | Bomber Invitational |
| 56.01 | Feb. 17, 2023 | Matt Kenvin | Liberty League Championships |
| 56.74 | Feb. 19, 2016 | John Enquist | UNYSCSA/Empire 8 Championships |
| 58.49 | Feb. 27, 2010 | Alex Boyd | Upper New York State Collegiate Swimming Association Championships |
| 1:02.47 | Jan. 25, 2009 | Alex Boyd | Union @Amherst |
| 1:02.98 | Nov. 15, 2008 | Alex Boyd | Union @Rochester |
