Atomic Half Iron/Olympic/Sprint Triathlon / Sprint Duathlon
Available distances
About
The Atomic Half Iron, Sprint Triathlon/Duathlon, and Olympic Triathlon take place near the TVA Melton Hill Dam, an area known for its scenic wildlife.
Participants can camp on-site, with hotels and restaurants also available nearby in Lenoir City, Tennessee. The event offers a range of endurance formats, including half-iron (1.2-mile swim, 55-mile bike, 13.1-mile run), Olympic (0.9-mile swim, 25-mile bike, 10K run), and sprint triathlon and duathlon options, each with detailed course maps and aid stations. The event follows USA Triathlon rules, and participants must hold a USAT license. Finishers receive medals and refreshments after the race.
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Races nearby
Other upcoming races around Lenoir City.
Run LOCO Half Marathon, and 5K
Dec 5, 2026 · Loudon, TN · 6 mi away
13 mi · 3.1 mi
Marine Mud Run - Harmony Center Maryville at Montvale
Sep 12, 2026 · Maryville, TN · 16 mi away
3 mi
Marine Mud Run
Sep 12, 2026 · Maryville, TN · 16 mi away
3 mi
Rock'in Santa Half Marathon & Sunshine Santa 5K
Dec 12, 2026 · Knoxville, TN · 22 mi away
13 mi · 3.1 mi
Dirty South Trail Races
Dec 6, 2026 · Knoxville, TN · 22 mi away
1 mi · 6.2 mi · 13 mi
Norris Dam Hard Trail Race
Nov 14, 2026 · Rocky Top, TN · 30 mi away
16 mi · 31 mi