| Time | Date | Name | Meet |
|---|---|---|---|
| 2:59.74 | Feb. 7, 2021 | Birnbaum, Clayton, Krause, Waite | RMAC Swimming and Diving Championships |
| 3:00.81 | Feb. 8, 2017 | Hondorf, Schechter, Graber, Pfeiffer | Rocky Mountain Athletic Conference Championships |
| 3:03.77 | Feb. 14, 2015 | Schechter, Pfeiffer, Porter, Gertig | Rocky Mountain Athletic Conference Championships |
| 3:04.77 | Dec. 7, 2013 | Schechter, Pfeiffer, Porter, Gertig | Colorado Mesa Invitational |
| 3:06.72 | Feb. 16, 2013 | Porter, Burt, Moore, Gertig | Rocky Mountain Athletic Conference Championships |
| 3:11.55 | Feb. 18, 2012 | Porter, Moore, Corman, Burt | Rocky Mountain Athletic Conference Championships |
| 3:12.08 | Nov. 21, 2009 | Dole, Bisping, MacIntyre, Wood | Washington University Invitational |
| 3:18.39 | Nov. 7, 2009 | Dole, Ransom, Moore, Wood | Colorado School of Mines vs. Colorado |
| 3:22.47 | Oct. 9, 2009 | Corman, Moore, Lemke, Dole | 5-way Dual (CSM, MSC, ASC, CU, MSCD) |
