| Time | Date | Name | Meet |
|---|---|---|---|
| 3:06.70 | Nov. 15, 2023 | Tiffany, Prolo, Edwards, Riva | Mizzou Invitational |
| 3:08.42 | Feb. 17, 2023 | Camacho Salgado, Dominguez, Nicolas, Riva | Mountain Pacific Sports Federation Championships |
| 3:09.57 | Feb. 18, 2022 | Camacho Salgado, Dominguez, Nicolas, Stirling | Mountain Pacific Sports Federation Championships |
| 3:09.68 | Nov. 18, 2021 | Camacho Salgado, Dominguez, Nicolas, Stirling | Dixie State Trailblazer Invitational |
| 3:10.53 | Feb. 19, 2021 | Nicolas, Dominguez, Prolo, Stirling | MPSF Championships |
| 3:11.41 | Nov. 20, 2019 | Walters, Dominguez, Matta, Stirling | Mizzou Invitational |
| 3:12.16 | Feb. 20, 2015 | Taylor, Jensen, Ng, King | Mountain Pacific Sports Federation Championships |
| 3:12.37 | Feb. 22, 2013 | Jenkins, Wells, Armstrong, Murray | Mountain Pacific Sports Federation Championships |
| 3:16.81 | Nov. 15, 2012 | Jenkins, Wells, Armstrong, Murray | Arena Cup |
| 3:16.82 | Feb. 16, 2012 | Fletcher, Wells, Armstrong, Beaman | Mountain Pacific Sports Federation Championships |
| 3:17.65 | Feb. 24, 2011 | Taylor, Sorensen, Krause, Keil | Mountain West Conference Championships |
| 3:23.92 | Oct. 30, 2010 | Taylor, Slenys, King, Krause | Brigham Young vs. Denver |
| 3:28.50 | Nov. 19, 2009 | Toshiba Invitational - Relays |
