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The 2017 Ironman 70.3 St. George triathlon welcomed more than 2,100 athletes, representing 31 countries and 43 states and ranging in age from 18 to 77 years old. The beautiful race, known for its tough bike and run courses, utilizes the city and surrounding landscape of St. George. Athletes began their day with a single-loop swim in the protected waters of Sand Hollow Reservoir. Once out of the water, participants embarked upon a single-loop bike course through the towns of Hurricane, Washington and St. George before proceeding up Snow Canyon parkway and through the picturesque Snow Canyon State Park. The single-loop run course wound through the Red Cliffs Desert Reserve and offered amazing views of St. George while running along the bluff before returning to the finish line on Main Street in the heart of downtown. The race awarded a total of 75 age-group qualifying slots for the 2017 Ironman 70.3 World Championship, which will take place in Chattanooga, Tenn. See the pro gallery here