| Time | Date | Name | Meet |
|---|---|---|---|
| 1:48.84 | Feb. 20, 2020 | Patrick Kelley | Horizon League Championships |
| 1:49.52 | Feb. 23, 2012 | Sam Keele | Horizon League Championships |
| 1:50.52 | Feb. 24, 2011 | Sam Keele | Horizon League Championships |
| 1:51.89 | Feb. 26, 2009 | Nathan Rahe | Horizon League Championships - Day Two - Finals |
| 1:58.47 | Oct. 10, 2008 | Jeremy Waldhart | UW-Milwaukee @Wisconsin |
