Twelve world-class road racing facilities and events highlight the 2018 IMSA WeatherTech SportsCar Championship schedule unveiled today as part of the now annual “State of the Sport” presentation at Road America, site of this weekend’s Continental Tire Road Race Showcase.In 2018, the WeatherTech Championship will feature three classes of competition....

The debut season of the TUDOR United SportsCar Championship in 2014 will include 29 prototype racecars across the Prototype (P) and Prototype Challenge (PC) categories as International Motor Sports Association (IMSA) officials today unveiled approved entries for all four TUDOR Championship classes.The P class will include an intriguing mix of...