| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 23 | Kenworthy's Motocross Park | 500MX 500MX | July 31, 1988 | Kawasaki |
| 17 | Spring Creek Motocross | 500MX 500MX | August 23, 1987 | Honda |
| 16 | Kenworthy's Motocross Park | 500MX 500MX | August 9, 1987 | Honda |
| 20 | Spring Creek Motocross | 500MX 500MX | August 10, 1986 | Honda |
| 22 | High Point Raceway | 500MX 500MX | May 26, 1985 | Honda |
| 17 | RedBud Track 'n Trail | 500MX 500MX | July 1, 1984 | Honda |
