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Buttonwillow Raceway Park, Buttonwillow, CA
Special Events Only, SCCA Regionals & Nationals, CART Stars of Tomorrow Karting Series, Championship Cup Series, SCCA Enduros, NASA American Stockcar Challenge, Spec Miata Challenge Series, NASA Super Roadster Series, Pro Spec Racer North American Championship, Formula SCCA North American Championship, Miata Cup North American Championship, CMRRA Championship Road Race Series, VARA Vintage Racing Series, Sand Drags AFM Championship Roadracing, American Iron West Championship Series, Mechanix Wear Speed Truck Challenge
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