| Time | Date | Name | Meet |
|---|---|---|---|
| 1:31.92 | Feb. 18, 2023 | Kostov, King, Trotter, Heneghan | Midwest Conference Championships |
| 1:33.99 | Feb. 19, 2022 | Heneghan, Riley, King, Turner | Midwest Conference Championships |
| 1:34.41 | Dec. 4, 2021 | Heneghan, Riley, Trotter, King | Carthage College Classic Invitational |
| 1:35.66 | Feb. 15, 2020 | Stolberg, Riley, King, Green | Midwest Conference Championships |
| 1:39.10 | Feb. 16, 2019 | Galutira, Martin, Stolberg, Cervantez | Midwest Conference Championships |
| 1:42.49 | Dec. 1, 2018 | Galutira, Martin, Stolberg, Gibson | St. Norbert vs. Beloit |
| 1:44.28 | Oct. 30, 2018 | Galutira, Martin, Cervantez, Gibson | Saint Mary's vs. Saint Norbert |
