| Time | Date | Name | Meet |
|---|---|---|---|
| 2:53.21 | March 16, 2024 | McEnaney, Sampson, Kiszczak, GHAFFARI | NCAA Division II Championship |
| 2:54.80 | Dec. 19, 2023 | Sampson, GHAFFARI, McEnaney, Scoggin | UNLV Invitational |
| 2:56.71 | Nov. 18, 2023 | McEnaney, GHAFFARI, Kiszczak, Moe | TYR Colorado Mesa Invitational |
| 2:57.62 | Feb. 12, 2022 | Elkady, Kiszczak, D'Orsi, Austin | Rocky Mountain Athletic Conference Championships |
| 2:58.64 | Feb. 20, 2021 | Sampson, Laperreire, D'Orsi, Vallee | Rocky Mountain Athletic Conference Championships |
| 2:59.25 | Feb. 16, 2019 | ELGAYAR, Minano, Bean, Cury | Rocky Mountain Athletic Conference Championships |
| 3:00.05 | Feb. 8, 2017 | Beaver, Bean, Hirsch, Bryant | Rocky Mountain Athletic Conference Championships |
| 3:00.10 | Feb. 13, 2016 | Hirsch, Hastings, Bryant, Gifford | Rocky Mountain Athletic Conference Championships |
| 3:00.78 | Feb. 22, 2014 | Hastings, Scheuermann, Eisendrath, Olsen-Stavrakas | Rocky Mountain Athletic Conference Championships |
| 3:01.86 | Feb. 16, 2013 | Eisendrath, El Hazzaz, Scheuermann, Kaslik | Rocky Mountain Athletic Conference Championships |
| 3:05.58 | Feb. 18, 2012 | Stavrakas, O'Connell, Szekely, White | Rocky Mountain Athletic Conference Championships |
| 3:07.66 | Dec. 19, 2011 | Stavrakas, White, Vandermeer, Eisendrath | UNLV Invitational |
| 3:08.26 | Feb. 12, 2011 | White, Hernandez, Matthiessen, Stavrakas | Rocky Mountain Athletic Conference Championships |
| 3:13.05 | Nov. 20, 2010 | White, Hernandez, Matthiessen, Seuscheck | SCAC Western Shootout |
| 3:14.16 | Oct. 22, 2010 | Rocky Mountain Invitational | |
| 3:15.53 | Oct. 8, 2010 | Stavrakas, Hernandez, White, MacDonald | Intermountain Shootout |
| 3:16.52 | Feb. 13, 2010 | Pahler, MacDonald, Strehlow, FLEMMING | Rocky Mountain Athletic Conference Championship |
| 3:32.22 | Oct. 30, 2009 | MacDonald, Tway, Stavrakas, Strehlow | Air Force vs. Mesa State |
