Welcome to the beautiful city of Chattanooga, Tennessee, home to one of the most thrilling and challenging events in the world of triathlon - the Half Ironman 70.3 Chattanooga! This epic race will put your endurance to the test with its challenging swim, bike, and run segments. The swim portion takes place in the stunning Tennessee River, where you'll feel the cool water splash against your skin as you swim against the current. The bike course is equally as exhilarating, featuring rolling ...