Due to unfavorable weather conditions we have cancelled the event for Saturday, April 25. We’re calling it early so that competitors can plan alternate activities! Enjoy your weekend and we will see you next week.

Thunder Mountain Speedway 2026 Schedule Announcement! The wait is over… the 2026 season schedule is officially HERE at Thunder Mountain Speedway! We’re excited to bring back the same strong lineup of classes for another action-packed year: – Open Modified – DIRTcar 358 Modified (alternating with IMCA) – DIRTcar Sportsman – IMCA Modified (alternating with 358s) – 600cc Modified – 600

Thunder Mountain Speedway Order of Events – Mon. Sept. 1, 2025   Pit Gates open – 2pm Grandstands open – 3pm Driver Registration CLOSES – 4:45pm Drivers Meeting – 4:50pm   Hot Laps – 5:30pm 600cc Modified Factory Stock Modified   National Anthem   Heats 600cc Modified (8 laps) Factory Stock (8 laps) Modified (8 laps)   Last Chance Qualifiers

Thunder Mountain Speedway CHAMPIONSHIP NIGHT Order of Events – Sat. Aug. 30, 2025 Pit Gates open – 3pm Grandstands open – 4pm Driver Registration CLOSES – 5:45pm Drivers Meeting – 5:50pm Hot Laps – 6pm Sportsman 600cc Modified Modified 600 Sprints 358 Modified Factory Stock National Anthem Heats 600cc Modified (8 laps) DIRTcar Crate Sportsman (8 laps) Modified (8 laps)

Thunder Mountain Speedway – Throwback Night! Order of Events – Sat. Aug. 23, 2025 Pit Gates open – 3pm Grandstands open – 4pm Driver Registration CLOSES – 5:45pm Drivers Meeting – 5:50pm Hot Laps – 6pm Vintage IMCA Sportsman 600cc Modified 600 Sprints Modified Factory Stock National Anthem Heats Vintage (6 laps) IMCA (8 laps) 600cc Modified (8 laps) Factory

Saturday night is Throwback night! Wear your favorite vintage attire!

Due to forecasted rain for Sunday, August 24, we are opting to move the Chad Sindoni Memorial to the Monster Bash weekend October 31 – November 1. The schedule will include: Oct. 31 600cc Modified Hustling Highway Series, Chad Sindoni Factory Stock Memorial, Ed Billings IMCA Memorial $3,016 to win, 600 Sprints, Modified and Sportsman timed hot laps Nov 1