| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 10 | Racing World | 250MX 450 Class | April 16, 1978 | Can-am |
| 23 | Moto-X 338 | 250MX 450 Class | May 1, 1977 | Ossa |
| 20 | Omaha Moto Park | 250MX 450 Class | April 24, 1977 | Ossa |
| 17 | Los Angeles Memorial Coliseum | 250MX 450 Class | July 6, 1973 | CZ |
| 7 | Tahoe Recreation Park | 250MX 450 Class | June 18, 1972 | CZ |
| 6 | Carlsbad Raceway | 250MX 450 Class | May 28, 1972 | CZ |
