The revived version of Lime Rock Grand Prix in 2017 is what  North American auto racing series launched by the Sports Car Club of America
Lime Rock Grand Prix The Lime Rock Grand Prix (2010 name: Memorial Day Classic) is a sports car race held at Lime Rock Park in Lakeville, Connecticut, United States on the Memorial Day weekend. It had been a part of the Grand-Am Rolex Sports Car Series, SCCA National Sports Car Championship, USAC Road Racing Championship, IMSA GT Championship and United States Road Racing Championship. The revived version in 2017 is for the United States Auto Club Pirelli World Challenge.
2017 NASCAR Pinty's Series The 2017 NASCAR Pinty's Series was the eleventh season of the NASCAR Pinty's Series. Beginning on May 21 at Canadian Tire Motorsport Park, the season consisted of thirteen races at eleven different venues in Canada. The season ended at Jukasa Motor Speedway on September 23. Cayden Lapcevich is the defending Drivers' Champion. Alex Labbé won the championship when the Green Flag dropped at the last race, as there were not enough entries for Labbé to lose that many points that Kevin Lacroix could have taken the championship. Labbé won the championship by a 16-point margin over Lacroix.