| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 20 | RedBud Track 'n Trail | 250MX 450 Class | July 2, 1978 | Maico |
| 15 | Cycle World USA | 250MX 450 Class | June 18, 1978 | Maico |
| 21 | RedBud Track 'n Trail | 250MX 450 Class | May 22, 1977 | Bultaco |
| 9 | RedBud Track 'n Trail | 250MX 450 Class | April 28, 1974 | Bultaco |
| 13 | Daytona International Speedway | 250MX 450 Class | March 10, 1973 | CZ |
