| Year | Class 4A | Time | Class 3A | Time |
|---|---|---|---|---|
| 2024 | Sheridan | 1:33.69 | Cody | 1:33.94 |
| 2023 | Cheyenne East | 1:34.46 | Evanston | 1:35.21 |
| 2022 | Sheridan | 1:32.63 | ||
| 2021 | Campbell County | 1:32.43 | ||
| 2020 | Kelly Walsh | 1:33.56 | ||
| 2019 | Sheridan | 1:31.93 | ||
| 2018 | Cheyenne East | 1:33.95 | ||
| 2017 | Kelly Walsh | 1:32.70 | ||
| 2016 | Campbell County | 1:33.54 | ||
| 2015 | Cheyenne Central | 1:33.47 | ||
| 2014 | Natrona | 1:33.15 | ||
| 2013 | Natrona | 1:34.08 | ||
| 2012 | Campbell County | 1:32.93 | ||
| 2011 | Not contested | |||
| 2010 | Not contested | |||
| 2009 | Not contested | |||
| 2008 | Not contested | |||
| 2007 | Not contested | |||
| 2006 | Not contested |