| Time | Date | Name | Meet |
|---|---|---|---|
| 1:48.54 | March 20, 2008 | Nelson Westby | NCAA Division III Mens Championship |
| 1:50.51 | Nov. 30, 2007 | Nelson Westby | TYR/CollegeSwimming.com Classic |
| 1:50.84 | March 15, 2007 | Nelson Westby | NCAA Division III Mens Championships |
| 1:51.42 | March 16, 2006 | Nelson Westby | NCAA Division III Mens Championships |
| 1:53.38 | Dec. 2, 2005 | Nelson Westby | CollegeSwimming.com Classic |
| 1:58.16 | Nov. 18, 2005 | Mark Glineburg | Minnesota Invitational |
