Crush the Half Distance Triathlon Chattanooga — Train Like a Pro! Ready to OWN the Half Distance Triathlon Chattanooga? This race kicks off with a powerful 1.4-mile swim in the Tennessee River at Ross’s Landing Park, blasts through a stunning 56-mile bike course around Lookout Mountain and North Georgia, then pushes you to a thrilling 13.1-mile run through downtown Chattanooga’s most iconic spots. To dominate race day, you need a training plan built to make you faster, stronger, and ...