Thunderhill Raceway Park is a motorsports complex located 7 miles West of Willows, California, in the Sacramento Valley. It is the venue for the longest automobile race in the United States, the 25 Hours of Thunderhill, held annually during the first weekend in December.

We’ll use the 3 Miles East with Bypass layout and we’ll run Counter Clockwise.

2 run groups only: Beginner/Intermediate (point by only for passing) and Intermediate/Advanced (Open passing).