Experience the Ultimate Challenge at IRONMAN 70.3 St. George! Swim Dive into the crystal-clear waters of the Sand Hollow State Park reservoir in Hurricane, Utah. This 1.2-mile swim offers a fast and direct course with just two turns, perfect for setting a personal best. With an average water temperature of 60°F (16°C), you'll stay cool and focused as you power through the swim. Bike Hop on your bike for a scenic 56-mile loop that will leave you in awe. Starting in Hurricane, you'll traverse ...