| Name | Time | Date | Meet |
|---|---|---|---|
| Owen Harlow | 43.19 | Dec. 2, 2022 | Army vs. Navy |
| Owen Harlow | 43.59 | Feb. 19, 2022 | Patriot League Championships |
| Chris Szekely | 43.77 | Dec. 10, 2015 | Navy vs. Army |
| Chris Szekely | 43.81 | Feb. 21, 2015 | 2015 Patriot League Championships |
| Chris Szekely | 44.16 | Feb. 22, 2014 | 2014 Patriot League Championships |
| Chris Szekely | 44.40 | Dec. 12, 2013 | Navy vs. Army |
| Chris Szekely | 44.85 | Feb. 23, 2013 | 2013 Patriot League Championships |
| Brendan Murphy | 45.13 | Feb. 21, 2009 | 2009 Patriot League Championships - Day Three - Finals |
| Lucas Meyers | 45.21 | Feb. 28, 2002 | 2002 Men's EISL Championships |
