| Year | Class 4A/AA | Time | Class 3A/A | Time | Class 2A/B | Time | Class 1A/C | Time |
|---|---|---|---|---|---|---|---|---|
| 1982 | Laramie | 1:31.48 | Jackson | 1:32.59 | Hanna | 1:35.40 | Encampment | 1:37.64 |
| 1981 | Kelly Walsh | 1:29.20 | Buffalo | 1:32.72 | Pine Bluffs | 1:36.54 | Encampment | 1:38.40 |
| 1980 | Cheyenne Central | 1:29.71 | Buffalo | 1:33.00 | Pine Bluffs | 1:33.81 | Goshen Hole | 1:38.75 |
| 1979 | not contested at AA level | Lovell | 1:33.024 | Lingle | 1:36.005 | not contested at C level |