| 20 | Saddleback Park | 500MX 500MX | April 10, 1983 | Husqvarna |
| 11 | Carlsbad Raceway | 500MX 500MX | August 15, 1982 | Husqvarna |
| 21 | CDR Tech Track | 500MX 500MX | June 13, 1982 | Husqvarna |
| 8 | Carlsbad Raceway | 500MX 500MX | August 16, 1981 | Husqvarna |
| 21 | Washougal Motocross | 500MX 500MX | July 6, 1980 | Husqvarna |
| 17 | Sears Point International Raceway | 500MX 500MX | June 29, 1980 | Husqvarna |
| 22 | Lakewood Sports Cycle Park | 500MX 500MX | June 15, 1980 | Husqvarna |
| 21 | Rio Bravo MX Park | 500MX 500MX | August 5, 1979 | Suzuki |
| 19 | Lakewood Sports Cycle Park | 500MX 500MX | June 24, 1979 | Suzuki |