This weekend the Mobil 1 SportsCar Grand Prix presented by Hawk Performance featuring the TUDOR United SportsCar Championship makes its only north-of-the-border stop. Also in action over the four day event are the Continental Tire SportsCar Challenge, Cooper Tire Prototype Lites, IMSA GT3 Cup Challenge, Lamborghini Super Trofeo North America and the SCCA Pro Racing Mazda MX-5 Cup.