| Time | Date | Name | Meet |
|---|---|---|---|
| 3:06.42 | Feb. 18, 2023 | Lowder, Kula, Fogarty, Kalenowski | CCIW Championships |
| 3:08.53 | Feb. 19, 2022 | Kula, Lowder, McCauley, Wagner | CCIW Championships |
| 3:10.01 | Feb. 22, 2020 | Cherwin, McCauley, Pinto, Garcia | College Conference of Illinois & Wisconsin Championships |
| 3:10.73 | Feb. 20, 2010 | Kozak, Caras, Gilbert, Held | College Conference of Illinois & Wisconsin Championships |
| 3:13.29 | Feb. 12, 2005 | Gorson, Braksick, Achtstatter, Gorson | CCIW Championships |
| 3:15.58 | Feb. 15, 2003 | Horvath, Blogg, Sur, Meyer | CCIW Swimming Championships |
| 3:19.17 | Feb. 16, 2002 | Horvath, Butler, Budny, Blogg | CCIW Championships |
