Shelby County Speedway races at the fairgrounds in Harlan, Iowa.
Shelby County Speedway
United States
Layout: Main Oval
- Country
- United States
Circuit facts & history
The 2026 Shelby County Showdown brought the track its first national touring 410 sprint car race.
Tanner Holmes earned his first High Limit Racing feature win at Shelby County on 11 June 2026.





