| Time | Date | Name | Meet |
|---|---|---|---|
| 6:20.74 | Feb. 21, 2024 | Ostrowski, Surkovic, Meacham, Gallagher | Mountain Pacific Sports Federation Championships |
| 6:25.74 | Feb. 15, 2023 | Surkovic, Venter, Gallagher, Meacham | Mountain Pacific Sports Federation Championships |
| 6:28.98 | Feb. 17, 2021 | Clark, Venter, Gallagher, Lindquist | MPSF Championships |
| 6:29.63 | Feb. 18, 2015 | Esgaib Vaz Guimaraes, Samouilich, Goicoechea, Johnson | Mountain Pacific Sports Federation Championships |
| 6:32.50 | Dec. 5, 2014 | Goicoechea, Esgaib Vaz Guimaraes, Johnson, Samouilich | Texas Invitational |
| 6:35.97 | Nov. 22, 2013 | Johnson, Guimaraes, Samouilich, Goicoechea | Arena Invitational |
| 6:37.23 | Feb. 25, 2009 | Conference USA Championships - Day One - Finals |
