Super Nationals Registration Due Aug. 28 to Race in Prelude
By Ben Deatherage BOONE, Iowa (Aug. 21, 2026) — Drivers planning to compete in the NAPA Auto Parts Double Down Prelude must be registered for the Speedway Motors IMCA Super Nationals fueled by Casey’s by noon Central time Friday, Aug. 28. Competitors who register for Super Nationals after the deadline will not be eligible to compete in the Sept. 5-6 Prelude at Boone Speedway. Before registering, competitors must first purchase an IMCA license for every division in which they intend to compete. Drivers should then register for Super Nationals on MyRacePass. Entries will be confirmed in the order they are received, with car numbers assigned based on confirmation order. The 12th annual Prelude features two full days of racing, giving competitors one final opportunity to compete at Boone before Super Nationals officially gets underway. The unique Double Down format has become a staple of Prelude weekend, rewarding more drivers while helping accommodate the tremendous car counts that continue to define the event. Should any division exceed 100 entries, competitors will once again be split into twin [Read More]
