| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 18 | Sears Point International Raceway | 250MX 450 Class | June 11, 1978 | Yamaha |
| 21 | Lake Whitney Cycle Ranch | 250MX 450 Class | May 28, 1978 | Yamaha |
| 18 | Hangtown Motocross Classic | 250MX 450 Class | April 9, 1978 | Yamaha |
| 23 | High Point Raceway | 250MX 450 Class | May 29, 1977 | KTM |
| 25 | Hangtown Motocross Classic | 250MX 450 Class | April 10, 1977 | KTM |
| 27 | Rio Bravo MX Park | 250MX 450 Class | April 25, 1976 | Can-am |
| 21 | Fastrack Motocross Park | 250MX 450 Class | April 11, 1976 | Can-am |
| 22 | Hangtown Motocross Classic | 250MX 450 Class | April 4, 1976 | Can-am |
