Chattanooga Triathlons: IRONMAN Full, 70.3 Qualifiers & Waterfront Olympic/Sprint Races
Chattanooga beckons visitors for relaxation and outdoor thrills, but triathletes truly test their mettle here with swimming, biking, and running in world-renowned events. IRONMAN Chattanooga and local triathlons draw elite athletes and novices alike to breathtaking courses amid fierce global competition—one of the sport's top destinations. Thousands of spectators cheer on participants from pros chasing world championship slots to first-timers crossing the finish line.
This triathlon hub hosted the IRONMAN 70.3 World Championships in 2017. Discover key races to experience the excitement firsthand.
IRONMAN Chattanooga
The premier full-distance IRONMAN attracts over 2,500 athletes vying for Kona slots with a 2.4-mile swim, 112-mile bike, and 26.2-mile marathon through the city. Starting at 7 a.m., it culminates by midnight cutoffs—an epic all-day spectacle.
The point-to-point Tennessee River swim, viewable along the Riverwalk, benefits from aiding currents for fast splits.
Bikers conquer two scenic loops in rural Tennessee and North Georgia, tackling climbs rewarded by stunning views. The marathon weaves through downtown's Southside, Riverview, and North Shore on a spectator-friendly 2.5-loop course. Finish-line drama is unmissable. Click here for top viewing spots. Held annually in late September.
IRONMAN 70.3 Chattanooga
This half-distance challenge—a 1.2-mile swim, 56-mile bike, 13.1-mile run—mirrors the full IRONMAN's iconic routes. A U.S. favorite since 2014, it features a Tennessee River swim, Lookout Mountain vistas, a rolling 34-mile Georgia bike loop, and a two-loop downtown/Riverfront Park run. Typically in May, it qualifies entrants for the 70.3 World Championships, hosted here in 2017 with 4,000 global elites.
The next edition draws qualifiers from over 100 worldwide 70.3 races.
Chattanooga Waterfront Triathlon
Perfect for time-crunched athletes, this June staple offers International (1.5K swim, 42K bike, 10K run) and Sprint (0.25-mile swim, 10+ mile bike, 3-mile run) distances. Current-boosted Tennessee River swim, hilly bike with thrilling descents, and paved greenway run. It served as the 2016 USA Triathlon Southeast Regional Championship.
Photo credit: Runners on the Chattanooga Riverfront - heffieldb

