| Time | Date | Name | Meet |
|---|---|---|---|
| 3:17.68 | Feb. 18, 2021 | Birnbaum, Scherschel, Clayton, Smith | RMAC Swimming and Diving Championships |
| 3:18.50 | Nov. 21, 2019 | Birnbaum, Scherschel, Burroughs, Kingsolver | A3 Performance Invitational |
| 3:22.24 | Feb. 14, 2019 | Hanson, Knott, Svanda, Donehower | Rocky Mountain Athletic Conference Championships |
| 3:22.37 | Feb. 15, 2018 | Hanson, Knott, Moreland, Hondorf | Rocky Mountain Athletic Conference Championships |
| 3:22.99 | Feb. 14, 2013 | Nahman, Bisping, Peter, Gertig | Rocky Mountain Athletic Conference Championships |
| 3:23.58 | Feb. 16, 2012 | Zerwick, Bisping, Peter, Gertig | Rocky Mountain Athletic Conference Championships |
| 3:26.30 | Feb. 11, 2010 | Piletski, Bisping, Coates, Dole | Rocky Mountain Athletic Conference Championship |
| 3:29.65 | Nov. 21, 2009 | Zerwick, Bisping, Coates, Dole | Washington University Invitational |
| 3:38.48 | Oct. 16, 2009 | Piletski, Bisping, Coates, Dole | Rocky Mtn Invite |
