Knoxville Nationals start tomorrow, and the festivities that surround the races are already underway. The National Sprint Car Hall of Fame and Museum will continue their film series with “Spills-n-Thrills Tuesday”, airing films in their theater from 10am-4pm. The Southern Iowa Sprint Week continues with the Ultimate Challenge at Southern Iowa Speedway in Oskaloosa, and the Knoxville Nationals Queen will be crowned Tuesday night. The Queen competition takes place at Dyer-Hudson Hall at 7:30pm. The Big Red Radio will be broadcasting live at the Raceway starting at 10 am every day of the Nationals.