| Year | School | Time |
|---|---|---|
| 2021 | Cheyenne Central | 10:11.38 |
| 2020 | Thunder Basin | 10:01.93 |
| 2019 | Laramie | 10:01.71 |
| 2018 | Cheyenne Central | 9:50.89 |
| 2017 | Sheridan | 9:55.05 |
| 2016 | Cheyenne Central | 9:53.95 |
| 2015 | Campbell County | 10:00.35 |
| 2014 | Campbell County | 9:49.40 |
| 2013 | Laramie | 9:56.64 |
| 2012 | Laramie | 10:07.65 |
| 2011 | Campbell County | 9:59.93 |
| 2010 | Cheyenne Central | 10:22.84 |
| 2009 | Sheridan | 10:23.91 |
| 2008 | Cheyenne Central | 10:32.95 |
| 2007 | Cheyenne Central | 10:08.41 |
| 2006 | Cody | 10:16.90 |