Marion County, IA Car Races
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May 9 - 11 2025National Sprint Car Hall of Fame Induction Weekend - Knoxville
Two nights of racing and an afternoon induction awards banquet. -
Jun 28 - 5 2025Southern Iowa Sprint Week - Knoxville
Knoxville Championship Cup Series 410 & 360 Sprints -
Jul 10 - 13 2025Knoxville 360 Nationals - Knoxville
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Jul 16 - 19 2025Knoxville Nationals - Knoxville
National sprint car championships, with 140 entries from 25 states and countries.