| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 24 | Broome-Tioga Sports Center | 500MX 500MX | August 24, 1980 | Yamaha |
| 20 | High Point Raceway | 500MX 500MX | July 8, 1979 | Suzuki |
| 26 | Sunshine Speedway | 500MX 500MX | August 27, 1978 | |
| 19 | Metrolina Speedway Park | 500MX 500MX | August 20, 1978 | |
| 13 | RedBud Track 'n Trail | 500MX 500MX | July 2, 1978 | |
| 20 | Cycle World USA | 500MX 500MX | June 18, 1978 |
