International Motor Sports Association (IMSA)

The International Motor Sports Association (IMSA) is a privately owned motorsports and cycling organization headquartered in the United States. Founded in 1969, it is the current sanctioning body for several racing series in North America, including the WeatherTech SportsCar Championship, Michelin Pilot Challenge, and IMSA Prototype Challenge. The organization was formed in 2013 through a merger between Grand-Am Road Racing and the American Le Mans Series. With approximately 130 employees, IMSA is dedicated to promoting and regulating professional motorsports events, ensuring safety, and fostering the growth of the sport.