This event has completed. Results and details are kept for reference.
regional seriesRoute 66 Sprint Series
Route 66 Sprint Series Round 4
Friday, August 14, 2026 - Sunday, August 16
Plymouth, Wisconsin
Season finale of the 2026 Route 66 Sprint Series at Briggs & Stratton Motorplex in Plymouth, Wisconsin.
Classes
LO206 SeniorLO206 JuniorKA100 SeniorKA100 JuniorX30 SeniorMini SwiftMicro Swift