| Time | Date | Name | Meet |
|---|---|---|---|
| 54.03 | Feb. 22, 2020 | Matthew Grubb | Metropolitan Championships |
| 55.19 | Feb. 17, 2018 | Matthew Grubb | Metropolitan Championships |
| 55.28 | March 17, 2017 | Michael Simunek | NCAA Division III Championships |
| 55.80 | Feb. 18, 2017 | Michael Simunek | Metropolitan Championships |
| 56.01 | Feb. 20, 2016 | Michael Simunek | Metropolitan Championships |
| 57.36 | Feb. 21, 2015 | Tyler Coe | Metropolitan Championships |
| 57.90 | Dec. 6, 2014 | Paul Long | TCNJ Invitational |
| 57.91 | Feb. 18, 2012 | daniel bower | Metropolitan Championships |
| 58.56 | March 16, 2007 | Kevin Baker | NCAA Division III Mens Championships |
