The Sports Car Club of America (SCCA) is a non-profit[2] American automobile club and sanctioning body supporting Autocross, Rallycross, HPDE, Time Trial, Road Racing, and Hill Climbs in the United States.

The SCCA traces its roots to the Automobile Racing Club of America (not to be confused with the current stock car series of the same name).

ARCA was founded in 1933 by brothers Miles and Sam Collier, and dissolved in 1941 at the outbreak of World War II.

[5] The SCCA began sanctioning road racing in 1948 with the inaugural Watkins Glen Grand Prix.

[7] By 1962, the SCCA was tasked with managing the U.S. World Sportscar Championship rounds at Daytona, Sebring, Bridgehampton and Watkins Glen.

In 1969, tension and infighting over Pro Racing's autonomy caused Bishop to resign and help form the International Motor Sports Association.

[9] Up to four cars at a time run on a course laid out with traffic cones on a large paved surface, such as a parking lot or airport runway, without interfering with one another.

Points are awarded in both class and Challenge competition, and an annual champion is crowned each September at the ProSolo Finale event in Lincoln, Nebraska.

SCCA planned week night track events to keep costs down, as well as build a program that doesn't take over the entrants entire weekend.

In recent years, the SCCA has expanded and re-organized some of the higher-speed events under the Time Trials banner.

The annual national championship for Club Racing is called the SCCA National Championship Runoffs and has been held at Riverside International Raceway (1964, 1966, 1968), Daytona International Speedway (1965, 1967, 1969, 2015), Road Atlanta (1970–1993), Mid-Ohio Sports Car Course (1994–2005, 2016), Heartland Park Topeka (2006–2008), Road America (2009-2013, 2020), Mazda Raceway Laguna Seca (2014), and Indianapolis Motor Speedway (2017).

[15] The current SCCA record holder is Jerry Hansen, (former owner of Brainerd International Raceway), with twenty-seven national championships.

Today, Trans-Am uses GT-1 class regulations, giving amateur drivers a chance to race professionally.

A professional series for open-wheel racing cars was introduced in 1967 as the SCCA Grand Prix Championship.