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Welcome to the official performer page for the IRA 410 Wing Sprint Cars & UMP Late Models. As a staple of Midwest dirt track racing, the Bumper to Bumper IRA Sprints deliver high-speed, winged outlaws across Wisconsin and neighboring states. In 2025, Blake Nimee clinched the IRA 410 Sprint Car Series championship at Plymouth on September 27. The 60th IRA season arrives in 2026, continuing the tradition of intense competition, tight finishes, and fan-friendly action. Browse race highlights, streaming details, and how to secure your seats for upcoming events.