| Time | Date | Name | Meet |
|---|---|---|---|
| 1:25.32 | Feb. 16, 2018 | Lutter, Ripp, Sutton, Pakosz | Midwest Conference Championships |
| 1:27.83 | Feb. 17, 2017 | Lutter, Paloumpis, Sutton, Pakosz | Midwest Conference Championships |
| 1:30.00 | Dec. 2, 2016 | Lutter, Paloumpis, Sutton, Pakosz | Grinnell Pioneer Classic |
| 1:30.24 | Feb. 19, 2016 | Sutton, Mehre, Gradillas, Pakosz | Midwest Conference Championships |
| 1:30.59 | Feb. 17, 2012 | Newbery, Polston, Taylor, Ebert | Midwest Conference Championships |
| 1:31.46 | Feb. 18, 2011 | McNeal, Taylor, Polston, Ebert | Midwest Conference Championships |
| 1:31.96 | Feb. 13, 2009 | Midwest Conference Championships - Day One - Finals | |
| 1:41.08 | Jan. 31, 2009 | Marx, Larsen, Shunk, Rodgers | Wisconsin Private College Championships |
| 1:42.93 | Jan. 31, 2004 | Cain, Abbs, Macak, Spaeth | Wisconsin Private College Championships |
