| 23 | Carlsbad Raceway | 500MX 500MX | August 16, 1981 | Maico |
| 20 | Washougal Motocross | 500MX 500MX | August 2, 1981 | Maico |
| 22 | RedBud Track 'n Trail | 500MX 500MX | July 5, 1981 | Maico |
| 26 | Broome-Tioga Sports Center | 500MX 500MX | June 28, 1981 | Maico |
| 21 | Atlanta International Raceway | 500MX 500MX | June 8, 1980 | Husqvarna |
| 16 | Sunshine Speedway | 500MX 500MX | August 26, 1979 | Husqvarna |
| 22 | Metrolina Speedway Park | 500MX 500MX | August 19, 1979 | Husqvarna |
| 20 | Broome-Tioga Sports Center | 500MX 500MX | August 12, 1979 | Husqvarna |
| 19 | Rio Bravo MX Park | 500MX 500MX | August 5, 1979 | Husqvarna |
| 24 | High Point Raceway | 500MX 500MX | July 8, 1979 | Husqvarna |
| 19 | RedBud Track 'n Trail | 500MX 500MX | July 1, 1979 | Husqvarna |
| 23 | Lakewood Sports Cycle Park | 500MX 500MX | June 24, 1979 | Husqvarna |
| 23 | Sears Point International Raceway | 500MX 500MX | June 17, 1979 | Husqvarna |
| 14 | Pine Top Motorcycle Park | 500MX 500MX | August 6, 1978 | Maico |
| 14 | RedBud Track 'n Trail | 500MX 500MX | July 2, 1978 | Maico |
| 18 | Cycle World USA | 500MX 500MX | June 18, 1978 | Maico |
