| 19 | Anaheim | 250SX 450SX | November 17, 1979 | Maico |
| 5 | Metrolina Speedway Park | 500MX 500MX | August 19, 1979 | Maico |
| 12 | Rio Bravo MX Park | 500MX 500MX | August 5, 1979 | Maico |
| 16 | High Point Raceway | 500MX 500MX | July 8, 1979 | Maico |
| 14 | RedBud Track 'n Trail | 500MX 500MX | July 1, 1979 | Maico |
| 11 | Sears Point International Raceway | 500MX 500MX | June 17, 1979 | Maico |
| 12 | Atlanta International Raceway | 500MX 500MX | May 27, 1979 | Maico |
| 20 | Moto-X 338 | 500MX 500MX | May 20, 1979 | Maico |
| 8 | High Point Raceway | 250MX 450 | July 9, 1978 | Maico |
| 16 | RedBud Track 'n Trail | 250MX 450 | July 2, 1978 | Maico |
| 11 | Cycle World USA | 250MX 450 | June 18, 1978 | Maico |
| 16 | Sears Point International Raceway | 250MX 450 | June 11, 1978 | Maico |
| 11 | Lake Whitney Cycle Ranch | 250MX 450 | May 28, 1978 | Maico |
| 7 | Moto-X 338 | 250MX 450 | May 7, 1978 | Maico |
| 11 | Omaha Moto Park | 250MX 450 | April 30, 1978 | Maico |
| 16 | Rio Bravo MX Park | 250MX 450 | April 23, 1978 | Maico |
| 13 | Racing World | 250MX 450 | April 16, 1978 | Maico |
| 25 | Burnt Hickory Motocross | 500MX 500MX | August 21, 1977 | Yamaha |
| 20 | Metrolina Speedway Park | 500MX 500MX | August 7, 1977 | Yamaha |
| 20 | Unadilla Motocross | 500MX 500MX | July 31, 1977 | Yamaha |
| 15 | Cycle World USA | 500MX 500MX | July 23, 1977 | Yamaha |
| 18 | Lake Whitney Cycle Ranch | 500MX 500MX | July 17, 1977 | Yamaha |
| 12 | Hangtown Motocross Classic | 250MX 450 | April 10, 1977 | KTM |
| 14 | Hangtown Motocross Classic | 250MX 450 | April 8, 1974 | Montesa |