| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 17 | Hangtown Motocross Classic | 500MX 500MX | April 8, 1984 | Honda |
| 25 | Lake Whitney Cycle Ranch | 500MX 500MX | June 19, 1983 | Honda |
| 25 | Saddleback Park | 500MX 500MX | April 10, 1983 | Honda |
| 10 | Hangtown Motocross Classic | 500MX 500MX | March 27, 1983 | Honda |
| 8 | Road Atlanta | 500MX 500MX | June 6, 1982 | KTM |
| 11 | Washougal Motocross | 500MX 500MX | August 2, 1981 | KTM |
