| Time | Date | Name | Meet |
|---|---|---|---|
| 3:37.56 | Feb. 11, 2022 | Wagner, Suhajda, Nolan, Thomas | CHSAA Girls 3A State Championship |
| 3:48.42 | Feb. 10, 2012 | Bullock, Gutierrez, Hand, Oettinger | 12 Colorado Girls State 4A Championships |
| 4:00.77 | Feb. 11, 2011 | Gutierrez, Bullock, Hand, Oettinger | Colorado Girls State 4A Championships |
| 4:04.76 | Feb. 12, 2010 | Oettinger, Oldach, Bullock, Gutierrez | Colorado 4A Girls State Championships |
