March 1 – 3, 2024
Thunderhill Raceway Park – Willows, CA
Note: This is not a spectator event
SVRA - Vintage Series
The Sportscar Vintage Racing Association (SVRA) is the largest and one of the oldest Vintage racing organizations in the United States. Historic racing cars, restored to original racing specs with modern safety equipment for driver protection, compete on historic race tracks.
Trans Am Series
America's Road Racing Series - The Trans Am Series presented by Pirelli offers a feast for the eyes and ears with races featuring 70+ grids populated by Mustangs, Camaros, Challengers and Corvettes in four classes, TA, TA2, SGT and GT.
PSSA - Prototype Sprint Series
The Prototype Sprint Series Association presented by Hankook (PSSA) is designed to host prototype race cars in a sprint race format at some of the most iconic road courses in America hosting a variety of Radical, Ligier, Revolution and Wolf prototypes.
OPTIMA's Search for the Ultimate Street Car
OPTIMA's Search for the Ultimate Street Car is a safe, fun and high-profile national championship event for street legal performance vehicles. The challenge puts competitors through a unique blend of tests of each vehicle's performance, street-ability and engineering workmanship.