The United States Auto Club (USAC) is a motorsports sanctioning body based in the United States. Founded in 1956, it oversees various types of racing events, including open-wheel, midget, and sprint car racing. USAC is known for promoting competitive racing and ensuring safety standards for participants. In addition to organizing races, USAC also provides a platform for drivers to gain recognition and advance their careers in motorsports. The organization has a rich history and has been instrumental in the development of many successful racers, including notable figures like Tony Stewart and A.J. Foyt.