| Time | Date | Name | Meet |
|---|---|---|---|
| 2:57.82 | March 2, 2024 | Imig, Kvederis, Lanting, Wendt | Western Athletic Conference Championships |
| 3:00.41 | Feb. 29, 2020 | Corona, Raper, Parker, Goguen | Western Athletic Conference Championships |
| 3:00.78 | March 2, 2019 | Crossen, Raper, Parker, Goguen | Western Athletic Conference Championships |
| 3:01.35 | Feb. 24, 2018 | Crossen, Raper, Parker, Goguen | Western Athletic Conference Championships |
| 3:01.38 | Feb. 10, 2010 | Anderson, Fulton, Tibbals, Longbotham | Pacific Collegiate Swim Conference Championships |
| 3:04.33 | March 15, 2008 | Djang, Smith, Coley, Jiracek | NCAA Division II Championships |
| 3:05.81 | March 17, 2007 | Djang, Coley, Bevers, Smith | NCAA Division II Championships |
| 3:07.22 | March 11, 2006 | Smith, Bevers, Shelton, Coley | NCAA Division II Championships |
