Tennessee
Tennessee Triathlon Calendar 2026-2027
Monthly updates for Tennessee
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Explore the best triathlons in Tennessee for 2026-2027! Our updated list features 19 exciting races across the region. Find your next race in Tennessee below and join the running community at these great events!
June 2026
Triathlon races and a new 5 km Run Walk at Montgomery Bell State Park featuring lake swims, varied bike terrain, age group awards and USA Triathlon sanctioning; participants receive event apparel and finish medals for the 5 km.
A sprint triathlon at Old Hickory Lake on June 20, 2026, with a 400 meter swim, 20 kilometer out and back bike on a closed highway, and a 5 kilometer out and back run. Individual and relay entries are offered.
A downtown Chattanooga triathlon on June 28, 2026 offering Sprint and Olympic distances. The race features a downstream swim in the Tennessee River and bike and run courses along the riverfront and Riverwalk.
July 2026
A women-focused triathlon in Maryville, TN at John Sevier Pool offering short and sprint courses, Athena classes, and relays, with a bike loop around Springbrook Park and a run on local greenways.
A 10K run-paddle-run duathlon at Henry Horton State Park on July 11, 2026, combining a 1.5-mile greenway run, a 2-mile paddle on the Duck River, and a final 2.5-mile run; life jackets are required and aid stations are at river accesses.
A 10 hour adventure race in Chattanooga where teams of two mountain bike, trail run and navigate across local terrain. Registration runs April 4 to April 12 with a $54 fee.
A pool sprint triathlon in Oak Ridge on July 25, 2026 combining a 500 meter swim, a 15 mile bike and a 5K run. Divisions include Athena, Clydesdale, mixed relay and aquabike with a stated no refund policy.
August 2026
A multisport event in Knoxville on Aug 1, 2026 featuring sprint, Olympic and half-iron formats with downstream river swims, scenic bike routes through South Knoxville, and riverside runs finishing at Suttree's Landing.
A 10 year anniversary triathlon on August 9, 2026 in Ashland City TN offering sprint and Olympic distances with a swim among river bluffs, bike and run courses, plus a post race party with food and live music.
Triathlon day at Fall Creek Falls State Park on August 15, 2026 offering Half Iron, Olympic and Calfkiller Sprint distances with lake swims, bike courses and wooded trail runs; USAT sanctioned and insurance available.
September 2026
A pool-based triathlon at Loudon Pool by Loudon High School offering Sprint distances and a Super Sprint Triple of three repeated short rounds. The event is USAT sanctioned and requires a one-day or annual USAT license.
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.
A multi-discipline race day at Tims Ford Lake offering sprint and Olympic triathlon, duathlon and aquabike options, plus relays and weight-class divisions. The event is USA Triathlon sanctioned and follows a no refund policy with insurance available.
A partner triathlon in Columbia, TN combining a 3.5 mile canoe on the Duck River, about 7.5 miles of single track mountain biking, and a 2.65 mile trail run, with team and relay scoring and equipment rules for canoes and safety gear.
IRONMAN Chattanooga takes place in Chattanooga, Tennessee on September 27, 2026. It features a fast downriver swim on the Tennessee River, a rolling bike course, and a scenic downtown run, with the swim honored in the 2025 Athletes' Choice Awards.
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 on November 14, 2026, combining a 30 mile paved bike, 3 mile kayak loop, and 6 mile mixed surface run. Two registration options cover bring your own kayak or use a park kayak.
May 2027
Pool swims and flat park runs combine with an urban bike tour around Midtown Nashville, staged from Centennial Park near the Parthenon. Multiple race formats include Super Sprint, Sprint and relay options, and the event follows USA Triathlon rules.
June 2027
A downtown Nashville triathlon with river swims from a showboat or dock, closed-road bike loops on Ellington Parkway, and a flat out-and-back run finishing by Nissan Stadium. Sprint and Olympic distances plus relay and multisport options.