| Time | Date | Name | Meet |
|---|---|---|---|
| 3:02.78 | Feb. 19, 2023 | Colson, Feilmeyer, Adl, Fitzgerald | Midwest Conference Championships |
| 3:06.47 | Feb. 16, 2014 | DiMarzio, Bennett, Lytle, Brus | Midwest Conference Championships |
| 3:06.74 | Feb. 17, 2013 | Brown, Lytle, Bennett, Brus | Midwest Conference Championships |
| 3:07.03 | Feb. 19, 2012 | Brus, Lytle, Lankiewicz, Fulgoni | Midwest Conference Championships |
| 3:07.41 | Feb. 20, 2011 | Brus, Lytle, Drutchas, Fulgoni | Midwest Conference Championships |
| 3:15.38 | Jan. 22, 2011 | Drutchas, Lytle, Fulgoni, Brus | Grinnell Invitational |
| 3:17.34 | Dec. 4, 2010 | Brown, Lankiewicz, Brus | Pioneer (Grinnell) Invitational |
| 3:20.94 | Jan. 15, 2010 | Drutchas, Olson, Lankiewicz, Fulgoni | Grinnell Invitational |
| 3:21.89 | Jan. 15, 2009 | Grinnell Invitational |
