2026 Race Schedule
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 Sprints
– Factory Stock
Schedule subject to change without notice. Please check our website for the most up to date schedule.
A full program consists of Modified, 358 Modified (alternating weeks), DIRTcar Sportsman, IMCA (alternating weeks), Factory Stocks, 600cc Modified, 600 Sprints unless noted otherwise