USA Iowa [24] 34 Raceway dirt oval West Burlington Adams Co Speedway dirt flat oval Corning Iowa Calhoun Co Speedway Calhoun Co Exposition Fair Grounds dirt oval/figure eight Rockwell City Iowa Cedar Co Raceway Cedar Co Fairgrounds .5-mile dirt oval Tipton Iowa aka: Tipton Speedway CJ Speedway Louisa Co Fairgrounds .46-mile dirt oval Columbus Junction Iowa aka: CJ Raceway aka: Louisa Co Speedway aka: Columbus Junction Race Oval aka: Twin River Raceways Cresco Speedway Cresco Fairgrounds/Howard Co Fairgrounds .4-mile dirt oval Cresco Iowa Davenport Speedway Scott Co Fairgrounds/Mississippi Valley Fairgrounds one-mile dirt track .5-mile dirt oval .25-mile dirt oval Davenport Iowa Delaware Co Fairgrounds .5-mile dirt oval Manchester Iowa Delaware Speedway dirt oval Delaware Iowa Dubuque Fairgrounds Speedway dirt flat oval Dubuque Iowa Echo Valley Speedway .425-mile dirt oval West Union Iowa Eldon Fairgrounds Raceway Wapello Co Fairgrounds dirt flat oval Eldon Iowa Farley Speedway dirt oval Farley Iowa aka: 300 Raceway Fayette Co Speedway .375-mile semi-banked clay oval West Union Iowa Great Jones Co Fairgrounds .52-mile dirt oval Monticello Iowa Greenbelt Speedway Hardin Co Fairground dirt flat oval Eldora Iowa aka: Harconia Speedway Hamilton Co Speedway dirt oval Webster City Iowa Hawkeye Downs Speedway dirt flat oval Cedar Rapids Iowa Henry Co Fairgrounds McMillan Park .5-mile dirt oval Mount Pleasant Iowa Independence Motor Speedway Buchanan Co Fairgrounds .375-mile semi-banked clay oval Independence Iowa Sac Co Fair dirt oval Sac City Iowa Tri-State Raceway concrete drag strip Earlville Iowa West Liberty Fairgrounds Speedway Muscatine Co Fair Grounds dirt flat oval West Liberty Iowa Winneshiek Raceway Winneshiek Co Fairgrounds .25-mile dirt semi-banked oval Decorah Iowa aka: Upper Iowa Speedway