| Time | Date | Name | Meet |
|---|---|---|---|
| 1:32.83 | Feb. 11, 2015 | Denney, Laxson, Jackman, Goodson | Rocky Mountain Athletic Conference Championships |
| 1:36.35 | Dec. 5, 2014 | Denney, Laxson, Jackman, Goodson | Colorado Mesa Invitational |
| 1:36.50 | Feb. 19, 2014 | Livingston, Laxson, Jackman, Goodson | Rocky Mountain Athletic Conference Championships |
| 1:36.77 | Feb. 13, 2013 | Meschke, Laxson, Jackman, Bussen | Rocky Mountain Athletic Conference Championships |
| 1:40.95 | Jan. 18, 2013 | Meschke, Laxson, Jackman, Bussen | CSM vs. Adams State |
| 1:47.04 | Oct. 28, 2011 | Bussen, Laxson, Mankus, Saxton | Air Force Invitational |
| 1:52.12 | Oct. 2, 2010 | Machado, Robson, Rousell, Beruman | Adams State Duals |
