Don't Miss the Action This Saturday at I-90 Speedway! Get ready for an exciting night of dirt track racing this Saturday night at I-90 Speedway in Hartford, South Dakota! Fans won’t want to miss the...

Here’s the July lineup for the RPM Racing Series at I-90 Speedway in Hartford. Saturday, July 5 – Driver Meet & Greet! RPM Racing Series action featuring Spielman Excavating IMCA RaceSaver Sprint Car...