The IMSA SportsCar Championship, officially known as the IMSA WeatherTech SportsCar Championship, is a premier sports car racing series in North America. It was established in 2014 following a merger between the American Le Mans Series and the Rolex Sports Car Series. Organized by the International Motor Sports Association (IMSA), the championship features a diverse grid of cars divided into multiple classes, racing on iconic circuits across the United States and Canada. Renowned for its endurance races like the Rolex 24 at Daytona and the 12 Hours of Sebring, the series attracts top manufacturers and drivers from around the world. Sponsored by WeatherTech, the championship showcases cutting-edge automotive technology and thrilling competition.