| Country |
Region |
Track |
Description |
City |
Date | | USA | FL | Daytona International Speedway | paved road circuit | Daytona Beach |
// |
| USA | FL | Sebring International Raceway | paved road circuit | Sebring |
// |
| USA | IA | Des Moines Ruan Grand Prix | paved street circuit | Des Moines |
// |
| USA | IA | Fort Dodge (Gypsum Pit) offroad | dirt off road circuit | Fort Dodge |
// |
| USA | IA | Greenwood Raceway | paved road circuit | Indianola |
// |
| USA | MN | Brainerd International Raceway | paved road circuit | Brainerd |
// |
| USA | OR | Portland International Raceway | paved road circuit | Portland |
// |
| USA | WI | Road America | paved road circuit | Elkhart Lake |
// |