Groups

Members: 7
The Grand American Road Racing Series sanctions to forms of road racing, the Rolex Grand-Am Series which combines the Daytona prototypes with Grand Touring production based cars and the KONI Challenge Series, a production-based circuit for both large and small sedans and coupes.
Members: 7
The IndyCar is the sanctioning body for American Indy Car racing and oversees a National and International schedule of open wheel events anchored by the Indianapolis 500.
Members: 5
NASCAR's number two series began in 1982 as an evolution of the late model sports divisions and has grown into the second most popular form of motorsports in the country.
Members: 3
The Automobile Racing Club of America (ARCA) was founded in 1953 and features full-bodied stock cars competing on a variety of superspeedways, short tracks, dirt tracks and road courses around North America.