| Time | Date | Name | Meet |
|---|---|---|---|
| 4:16.56 | Feb. 17, 2022 | Tanner Nelson | Mountain Pacific Sports Federation Championships |
| 4:17.62 | Nov. 18, 2021 | Tanner Nelson | Dixie State Trailblazer Invitational |
| 4:23.24 | Feb. 24, 2011 | John Kendrick | Mountain West Conference Championships |
| 4:25.72 | Feb. 26, 2009 | Stott Bushnell | Mountain West Conference Championships - Day Two - Finals |
| 4:45.63 | Oct. 30, 2008 | John Kendrick | Brigham Young @Texas Christian |
