Ontario was the first and only automobile racing facility designed to accommodate major races sanctioned by all of the four dominant and independent racing sanctioning bodies: USAC, for an Indy 500 open wheel oval car race (The California 500); NASCAR (National Association of Stock Car Auto Racing), for a stock car 500 miles oval race, (The Miller 500); National Hot Rod Association (NHRA), for a drag race, (The Super Nationals); and a FIA (Federation Internationale de l'Automobile) Formula One race, (The Questor Grand Prix).