IMSA

The IMSA SportsCar Championship, currently known as the IMSA WeatherTech SportsCar Championship under sponsorship, is a sports car racing series based in the United States and Canada and organized by the International Motor Sports Association. It is considered the pinnacle of sports car racing in North America, attracting top-tier manufacturers, teams and drivers. The championship features prototypes and GT cars competing across various classes and consists of both long-distance endurance races and shorter sprint races....