| Time | Date | Name | Meet |
|---|---|---|---|
| 1:24.09 | Feb. 16, 2023 | Lowder, Kula, Kalenowski, Fogarty | CCIW Championships |
| 1:25.13 | Feb. 17, 2022 | Lowder, Kula, McCauley, Kalenowski | CCIW Championships |
| 1:25.97 | Feb. 11, 2016 | Lugg, Younger, Bishop, Derrig | College Conference of Illinois & Wisconsin Championships |
| 1:26.21 | Feb. 17, 2011 | Firth, Caras, Mitchell, Held | College Conference of Illinois & Wisconsin Championships |
| 1:26.66 | Feb. 18, 2010 | Firth, Caras, Mitchell, Held | College Conference of Illinois & Wisconsin Championships |
| 1:26.74 | Feb. 19, 2009 | Kozak, Held, Mitchell, Uy | CCIW Championships |
| 1:27.88 | Feb. 14, 2008 | Kozak, Busch, Held, Barnish | CCIW Championships |
| 1:28.14 | Feb. 8, 2007 | Kozak, Graves, Swanstrom, Busch | CCIW Championships |
| 1:29.18 | Feb. 10, 2005 | Braksick, Achtstatter, Achtstatter, Mikkelson | CCIW Championships |
| 1:29.22 | Feb. 13, 2003 | Blogg, Horvath, Butler, Sur | CCIW Swimming Championships |
| 1:29.91 | Feb. 14, 2002 | Blogg, Massaro, Budny, Horvath | CCIW Championships |
