| Name | Time | Date | Meet |
|---|---|---|---|
| Mitchell Mages | 20.44 | Feb. 14, 2019 | College Conference of Illinois & Wisconsin Championships |
| Evan Weyrauch | 20.06 | Jan. 7, 2012 | Lewis vs. Carthage, Northwestern |
| Andy Bax | 20.84 | Feb. 19, 2009 | 2009 CCIW Championships |
| Bryce Davis | 20.89 | Feb. 14, 2008 | 2008 CCIW Championships |
| Edgar Vargas | 21.23 | Dec. 3, 2005 | 2005 CollegeSwimming.com Classic |
| Edgar Vargas | 21.28 | Feb. 10, 2005 | 2005 CCIW Championships |
| Henry Somers | 21.98 | Feb. 13, 2003 | CCIW Swimming Championships |
| Mike Castagnino | 22.09 | Feb. 14, 2002 | 2002 CCIW Championships |
