| Year | Class 4A | Time | Class 3A | Time |
|---|---|---|---|---|
| 2023 | Natrona | 8:22.65 | Star Valley | 8:35.90 |
| 2022 | Cheyenne Central | 8:12.80 | ||
| 2021 | Sheridan | 8:25.43 | ||
| 2020 | Star Valley | 8:19.40 | ||
| 2019 | Star Valley | 8:27.86 | ||
| 2018 | Star Valley | 8:22.50 | ||
| 2017 | Star Valley | 8:11.04 | ||
| 2016 | Cheyenne Central | 8:16.26 | ||
| 2015 | Laramie | 8:12.58 | ||
| 2014 | Kelly Walsh | 8:10.57 | ||
| 2013 | Kelly Walsh | 8:14.11 | ||
| 2012 | Rock Springs | 8:16.43 | ||
| 2011 | Laramie | 8:16.21 | ||
| 2010 | Campbell County | 8:30.73 | ||
| 2009 | Campbell County | 8:23.98 | ||
| 2008 | Campbell County | 8:39.23 | ||
| 2007 | Cheyenne Central | 8:53.58 | ||
| 2006 | Cheyenne Central | 8:37.20 |