| Time | Date | Name | Meet |
|---|---|---|---|
| 1:20.82 | March 22, 2018 | Hui, Hallman, Menkhoff, To | NCAA Division III Championships |
| 1:21.34 | Feb. 22, 2018 | Hui, Hallman, Menkhoff, To | SCIAC Championships |
| 1:21.70 | March 16, 2017 | Hui, Hallman, Drover, To | NCAA Division III Championships |
| 1:22.03 | Feb. 19, 2016 | Hui, Hallman, To, Clayman | SCIAC Championships |
| 1:22.60 | Feb. 20, 2015 | Savage, Hallman, Hansen, Berryman | SCIAC Championships |
| 1:24.39 | Feb. 21, 2014 | Hansen, Hardman, To, Berryman | SCIAC Championships |
| 1:24.82 | Feb. 19, 2012 | Savage, Berryman, LaBriola, Scholten | SCIAC Championships |
| 1:25.51 | Feb. 21, 2010 | Arnoldi, Lee, Wright, Scholten | Southern California Intercollegiate Athletic Conference Championships |
| 1:30.21 | Oct. 24, 2009 | Scholten, Wright, Kinimaka, Arnoldi | Redlands Invitational |
