International Motor Sports Association (IMSA) officials today released the 2017 IMSA WeatherTech SportsCar Championship Sporting Regulations, which featured some key revisions for the upcoming season.Beginning with the season-opening Rolex 24 At Daytona on Jan. 28-29, the start of all WeatherTech Championship races will include the entire field in one pack...

On the heels of a Mission Statement issued earlier this month to outline the future direction of the Continental Tire SportsCar Challenge, IMSA officials today unveiled substantial efforts to reduce operating expenses for competitors in addition to a comprehensive list of existing and new car models conditionally approved for 2016...