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Owned and operated by the San Francisco Region of the Sports Car Club of America (SCCA), Thunderhill Raceway Park is host to many motorports events for cars and motorcycles. The SCCA uses Thunderhill for its automotive race competitions, while the Northern California Chapter of the American Federation of Motorcyclists(AFM) runs several motorcycle races there every year. The standard road course at Thunderhill Park is a 3.0-mile (4.83-km), 15 turn course, however the track is configurable and event organizers can configure the course as they see fit. Use their application to stay informed about all events, races, classes, promotions, sales, and more!