National Sprint League Heading to Jackson Motorplex, Knoxville Raceway and Mason City Motor Speedway This Weekend
The National Sprint League is primed for its first tripleheader of the season this weekend.
The 410ci winged sprint car series will venture to Jackson Motorplex in Jackson, Minn., on Friday before invading Knoxville Raceway in Knoxville, Iowa, on Saturday. The weekend will wrap up on Sunday at Mason City Motor Speedway in Mason City, Iowa, where the National Sprint League will make its debut. […]