| Time | Date | Name | Meet |
|---|---|---|---|
| 54.99 | Dec. 6, 2013 | Bartosz Zarzecki | Wooster Invitational |
| 56.67 | Feb. 8, 2013 | Tim Collet | Great Lakes Intercollegiate Athletic Conference |
| 57.74 | Feb. 17, 2012 | Chase Hooley | Appalachian Swimming Conference |
| 1:00.29 | Jan. 21, 2012 | Chase Hooley | Wooster vs. Malone |
| 1:01.40 | Jan. 13, 2012 | Chase Hooley | Ashland vs. Lake Erie, Malone |
| 1:01.66 | Dec. 3, 2011 | Grant Gillilan | Grove City Winter Invitational |
| 1:02.30 | Nov. 5, 2011 | Chase Hooley | Malone vs. Notre Dame (OH), Urbana |
| 1:16.71 | Oct. 15, 2010 | Jesse Martin | Christian College Invitational |
| 1:19.21 | Feb. 20, 2010 | Erik Sjoberg | Last Chance Meet: Kenyon |
