| Time | Date | Name | Meet |
|---|---|---|---|
| 1:35.74 | Feb. 23, 2024 | Doherty, Chambers, Lei, Hall | SCIAC Championships |
| 1:36.06 | Feb. 16, 2023 | Kluck, Doherty, Mittelsteadt, Hall | SCIAC Championships |
| 1:36.97 | Feb. 22, 2019 | Reeves, Wiens, Fong, Davis | SCIAC Championships |
| 1:37.71 | Feb. 16, 2017 | Exlerova, Davis, Fong, Quach | SCIAC Championships |
| 1:38.62 | Feb. 17, 2013 | Spicer, Ford, Morris, McLaughlin | SCIAC Championships |
| 1:42.07 | Feb. 10, 2010 | Graham, Morris, Fish, McLaughlin | Pacific Collegiate Swim Conference Championships |
| 1:59.29 | Oct. 24, 2009 | Thompson, Mulas, Benavidez, Davidson | Redlands Invitational |
