Tennessee
Tennessee Triathlon Calendar 2026-2027
Monthly updates for Tennessee
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Tennessee for 2026-2027! Our updated list features 12 exciting races across the region. Find your next race in Tennessee below and join the running community at these great events!
September 2026
A short-course triathlon in Knoxville on September 13, 2026, featuring a 100 yard swim, about a 5.3 mile bike and a 4 km run, with individual and two or three person relay divisions and multiple age and weight classes.
Multi-distance triathlon at Tims Ford Lake in Winchester TN on September 19, 2026 offering sprint and Olympic triathlons, duathlons, aquabike, relays and weight class divisions.
A unique partner triathlon in Columbia featuring a 3.5 mile canoe, a 7.5 mile mountain bike ride, and a 2.65 mile trail run through Chickasaw Trace County Park.
IRONMAN Chattanooga in Chattanooga, Tennessee features a fast downriver swim on the Tennessee River, rolling bike sections, and a scenic downtown run on September 27, 2026.
A single-distance kayak, bike, run in Shelby Park and Bottoms on September 27, 2026; a noncompetitive community event with costumes encouraged and proceeds to local groups.
Monthly updates for Tennessee
Get new running races (and updates) in your inbox every month.
October 2026
A multisport event at TVA Melton Hill Dam on 10/10/2026 with Half Iron, Olympic and Sprint triathlons, a duathlon and relay options. Swim, bike and run courses circle the dam with on-site parking and campground nearby.
November 2026
A 39 mile triathlon at Pickwick Landing State Park combining a 30 mile bike, 3 mile kayak loop, and 6 mile run with two kayak options.
May 2027
A women-focused triathlon in Centennial Park with a pool interval swim, urban bike loops, and a flat park run, plus swim-bike, bike-run, and relay options.
IRONMAN 70.3 Chattanooga on May 16, 2027 features a downriver Tennessee River swim, a rolling bike through hills, and a run along riverfront and park trails.
June 2027
Downtown Nashville triathlon with a boat-start swim, closed-road bike on Ellington Parkway, and a finish beside Nissan Stadium.
A downtown Chattanooga triathlon with Sprint and Olympic distances, point-to-point river swims, bike loops on Riverside Drive, and Riverwalk run courses.
August 2027
A multiple distance triathlon in Ashland City, Tennessee featuring time trial lake swims, bike loops on Highway 12, and out and back runs on the Bicentennial Trail.