| Time | Date | Name | Meet |
|---|---|---|---|
| 4:25.19 | Feb. 12, 2015 | Victor Tarin | Great Lakes Valley Conference Championships |
| 4:25.49 | Feb. 13, 2014 | Victor Tarin | Great Lakes Valley Conference Championships |
| 4:28.57 | Nov. 22, 2013 | Aidan Brennan | House of Champions Invitational |
| 4:30.43 | March 11, 2011 | Kevin Coates | NCAA Division II Championships |
| 4:30.86 | Feb. 12, 2009 | Jason Ament | Great Lakes Intercollegiate Athletic Conference Championships - Day Two - Prelims |
| 4:34.04 | March 14, 2008 | Adam Brown | NCAA Division II Championships |
| 4:34.85 | March 16, 2007 | Adam Brown | NCAA Division II Championships |
| 4:40.57 | Dec. 2, 2005 | Adam Brown | CollegeSwimming.com Classic |
