International Motor Sports Association (IMSA):

The International Motor Sports Association, LLC (IMSA) was originally founded in 1969 and owns a long and rich history in sports car racing. Today, IMSA is the sanctioning body of the IMSA WeatherTech SportsCar Championship, the premier sports car racing series in North America. IMSA also sanctions the IMSA Michelin Pilot Challenge, IMSA VP Racing SportsCar Challenge and Historic Sportscar Racing, as well as five one-make series: Ferrari Challenge North America, Lamborghini Super Trofeo North America, Mazda MX-5 Cup, Mustang Challenge and Porsche Carrera Cup North America. IMSA – a company within the NASCAR family – is the exclusive strategic partner in North America with the Automobile Club de l’Ouest (ACO) which operates the 24 Hours of Le Mans as a part of the FIA World Endurance Championship. The partnership enables selected IMSA WeatherTech SportsCar Championship competitors to earn automatic entries into the prestigio...