Motorsport in the United States

[3] The feud was settled in 2008 with an agreement to merge the two series under the IndyCar banner, but enormous damage had already been done to the sport.

[5] Californian rookie and ex-Formula 1 driver Alexander Rossi won the 2016 Indy 500 on fuel mileage [6] and subsequently became an IndyCar mainstay at Andretti Autosport.

Longtime team owner and billionaire [8] Roger Penske purchased Indianapolis Motor Speedway, the IndyCar series, and IMS Productions in November 2019.

[9] The CART-IRL feud coincided with an enormous expansion of stock car racing, governed by NASCAR, from its past as a mostly regional circuit mainly followed in the Southern U.S. to a truly national sport.

Popular NASCAR drivers include Jeff Gordon, Jimmie Johnson, Tony Stewart, Dale Earnhardt Jr., and Kyle Busch.

The race was run at a new venue (which now also hosts MotoGP, and the NASCAR Cup series) named Circuit of the Americas.

A second race, called the Grand Prix of America, was to take place in Weehawken, New Jersey, designed to give a view of the New York City skyline.

Judged on line, angle, and style, rather than who finishes the course in the fastest time, Formula Drift brings together traditional racing and extreme sports.

Although international street motorcycle racing does not enjoy the mainstream popularity of its all-terrain cousin, motocross, in the U.S., American riders have been very successful.

The former, known informally as the ALMS and sanctioned by IMSA, is based on the rules that govern the world famous 24 Hours of Le Mans endurance race in France.

The Rolex series, sanctioned by Grand-Am, has rules similar to the ALMS, but the cars themselves are ultimately different and are made with a more cost-efficient formula in mind.

The largest drag racing organization, the National Hot Rod Association, boasts 80,000 members, more than 35,000 licensed competitors and nationwide television coverage.

Sprint car races feature small, specially designed vehicles with characteristic wings on top; several regional circuits exist for the sport.

Mud bogging, in which trucks attempt to pass through a muddy pit, has popularity in rural areas.