IRONMAN 70.3 St. George consists of a 1.2-mile swim, a 56-mile bike ride, and a 13.1-mile run. The swim takes place in the Sand Hollow State Park reservoir in Hurricane, Utah, on a fast and direct course with two turns and an average water temperature of 60°F/16°C. The bike course features a scenic 56-mile loop starting in Hurricane, passing through rolling hills, including a climb into Snow Canyon State Park, and descending back into downtown St. George. Athletes ride on freshly paved ...