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| Year | Class 4A | Time | Class 3A | Time |
| 2025 | Cheyenne Central | 9:46.89 | Buffalo | 10:18.08 |
| 2024 | Laramie | 9:59.80 | Cody | 10:29.06 |
| 2023 | Cheyenne East | 10:08.59 | Cody | 10:17.89 |
| 2022 | Cheyenne East | 9:55.52 | | |
| 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 | | |