| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 25 | Lakewood Sports Cycle Center | 500MX 500MX | August 21, 1983 | Husqvarna |
| 22 | Saddleback Park | 500MX 500MX | April 10, 1983 | Husqvarna |
| 20 | Hangtown Motocross Classic | 500MX 500MX | March 27, 1983 | Husqvarna |
| 20 | Carlsbad Raceway | 500MX 500MX | August 16, 1981 | Yamaha |
| 24 | Washougal Motocross | 500MX 500MX | July 6, 1980 | Can-am |
| 21 | Sears Point International Raceway | 500MX 500MX | June 17, 1979 |
