The Half Distance Triathlon in Chattanooga features a rolling start with a 1.4 mile swim down the Tennessee River, exiting at Ross’s Landing Park. Spectators can view from Veterans and Market Street Bridges and the Tennessee Riverwalk. Water temperatures average in the low 70s Fahrenheit. The bike course includes an 11-mile southern stretch followed by a 34-mile loop in north Georgia, offering scenic views along Lookout Mountain and smooth roads. The 13.1 mile run passes through downtown ...