What is popularly known as the Fontana Race is held at the former California Speedway located in Fontana, California. The speedway was renamed Auto Club Speedway with the purchase of naming rights by the Southern California Auto Club.
NASCAR also holds the Nationwide Royal Purple 300 in conjunction with the Sprint Cup Auto Club 400 at Fontana, California.
The Formula One race known as the Izod IndyCar Series MATV 500 is also held annually at the Auto Club Speedway. This highly popular open wheel race attracts racing fans from all over California and the southwest.