| Time | Date | Name | Meet |
|---|---|---|---|
| 1:39.63 | March 28, 2019 | John Shebat | NCAA Division I Mens Championships |
| 1:40.04 | March 24, 2016 | Will Licon | NCAA Division I Mens Championships |
| 1:40.09 | March 26, 2015 | Will Licon | NCAA Division I Mens Championships |
| 1:41.67 | Feb. 26, 2015 | Will Licon | Big XII Conference Championships |
| 1:41.92 | March 26, 2009 | Ricky Berens | NCAA Division I Mens Championships |
| 1:43.25 | March 27, 2008 | Ricky Berens | NCAA Division I Mens Championships |
| 1:45.46 | March 15, 2007 | Ricky Berens | NCAA Division I Mens Championships |
| 1:48.48 | March 6, 2003 | Paul Ridgeway | American Short Course Championships |
