| Time | Date | Name | Meet |
|---|---|---|---|
| 3:37.46 | March 29, 2024 | Baylor Nelson | NCAA Division I Mens Championships |
| 3:38.05 | Feb. 22, 2024 | Baylor Nelson | SEC Championships |
| 3:38.11 | March 24, 2023 | Baylor Nelson | NCAA Division I Mens Championships |
| 3:38.14 | Feb. 16, 2023 | Baylor Nelson | SEC Championships |
| 3:38.22 | Oct. 16, 2020 | Shaine Casas | Texas First Chance Invitational |
| 3:42.29 | March 8, 2019 | Benjamin Walker | American Short Course Championship |
| 3:43.01 | Feb. 21, 2019 | Benjamin Walker | Southeastern Conference Championships |
| 3:43.35 | Feb. 16, 2018 | Austin Van Overdam | Southeastern Conference Championships |
| 3:44.33 | Feb. 20, 2014 | Simon Frank | Southeastern Conference Championships |
| 3:46.70 | Feb. 21, 2013 | Simon Frank | Southeastern Conference Championships |
| 3:47.71 | March 2, 2012 | Simon Frank | ST TXLA American SC Championships |
| 3:50.79 | Feb. 24, 2012 | Simon Frank | Big 12 Conference Championships |
| 3:54.32 | Feb. 25, 2011 | Paul-Marc Schweitzer | Big 12 Conference Championships |
| 3:55.96 | Feb. 27, 2009 | Ryan Loney | Big 12 Conference - Day Three - Finals |
