| Name | Time | Date | Meet |
|---|---|---|---|
| Harry Carpenter | 4:36.94 | Feb. 20, 2016 | 2016 Midwest Conference Championships |
| Harry Carpenter | 4:38.67 | Feb. 14, 2015 | 2015 Midwest Conference Championships |
| Qichen Ning | 4:44.95 | Feb. 18, 2012 | Midwest Conference Championships |
| Qichen Ning | 4:58.30 | Feb. 4, 2012 | Beloit vs. Knox |
