| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 23 | Pennsylvania Motocross Park | 250MX 450 Class | May 23, 1976 | Maico |
| 16 | Pocono International Raceway | 500MX 500MX | August 18, 1973 | Maico |
| 13 | Daytona International Speedway | 500MX 500MX | March 10, 1973 | CZ |
| 17 | Road Atlanta | 500MX 500MX | April 16, 1972 | CZ |
