IMSA’s flagship series competes at 11 of North America’s leading sports car venues. Competition takes place in four classes – Grand Touring Prototype (GTP), Le Mans Prototype 2 (LMP2), GT Daytona Pro (GTD PRO) and GT Daytona (GTD) – and brings together renowned drivers with leading manufacturers for some of the world’s biggest sports car events, such as the Rolex 24 At Daytona and Mobil 1 Twelve Hours of Sebring. Follow and join the conversation with #IMSA.

From the showroom to the speedway, the IMSA Michelin Pilot Challenge is IMSA’s showcase for the latest in American-made and imported high-performance sports cars, coupes, hatchbacks and sedans. This series is home to the same cars seen on streets and highways around the world and offers racing in two classes – Grand Sport (GS) and Touring Car (TCR) – running a 10-race schedule in tandem with most of the WeatherTech Championship events.

The IMSA VP Racing SportsCar Challenge series runs primarily 45-minute single-driver sprint races and selected multi-driver endurance racing events. The series includes Le Mans Prototype 3 (LMP3) entry level, closed cockpit prototype race cars and two production-based classes, Grand Touring Daytona X (GTDX) and Grand Sport X (GSX), with race cars built to international GT3 and GT4 technical regulations. The new IMSA Airbnb Endurance Challenge features both P3 cars and one-make BMW M2 Racing cars in selected two-hour, two-d...

A single-model championship series developed by Ferrari for clients who have a passion for racing, the Ferrari Challenge North America has thrilled drivers and fans alike since its inception in 1993. Bringing its professionalism and pedigree to the track, the Challenge runs on the most beautiful and renowned circuits in the world and is designed to allow clients to enjoy themselves and their cars in a competitive and safe environment. Follow and join the conversation with #FerrariChallenge.

Lamborghini Super Trofeo North America, which ran its inaugural season in 2013, is one of three Super Trofeo series worldwide. The series provides the perfect first race experience for professional and amateur drivers in the 620-horsepower Huracán Super Trofeo EVO2. Each of the six event weekends includes two 50-minute races, culminating at the Lamborghini World Finals in November.

The Whelen Mazda MX-5 Cup presented by Michelin is the signature spec series for Mazda Motorsports. The MX-5 Cup champion earns a $250,000 scholarship at season’s end. MX-5 Cup has been sanctioned by IMSA since 2021. Each of the series’ seven event weekends – run as a companion to either WeatherTech Championship or IndyCar events – features a pair of 45-minute races.

Porsche Carrera Cup North America is one of the preeminent one-make racing series in the world that made its North American debut in 2021 under IMSA sanctioning. Every car competing in Porsche Carrera Cup is identical. Same make. Same model. Same generation. With no technical advantage between cars, driver talent and team execution are what claim the podium. Each of the eight race weekends – run as a companion to either WeatherTech Championship or Formula One events – features a pair of 40-minute races.

The Mustang Dark Horse R used by all competitors is a turnkey race car based on the road-going Mustang Dark Horse with enhancements including a fourth-generation, 5.0-liter Coyote V-8 engine capable of generating more than 500 horsepower.