| Year | Class 4A/AA | School | Time | Class 3A/A | School | Time | Class 2A/B | School | Time | Class 1A/C | School | Time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1979 | Shawn Dorr | Campbell County | 39.20 | not contested at A level | not contested at B level | Lonnie Music | Jeffrey City | 42.40 | ||||
| 1978 | Robby Stewart | Kelly Walsh | 40.25 | Rick Quest | Buffalo | 40.60 | Mike Roop | Hanna | 41.26 | Mark Neuman | Cokeville | 42.49 |
| 1977 | Mark Bush | Riverton | 38.10 | Tim Rainey | Star Valley | 39.82 | Russell Eyre | Lyman | 40.91 | Clair Bennion | Meeteetse | 41.30 |