Triathlons in Tennessee
Tennessee has 13 upcoming triathlons scheduled for 2026. Knoxville is the busiest city with 3 races, ahead of Hendersonville (2) and Ashland City (2). The list includes IRONMAN Chattanooga in Chattanooga on September 15 — full Ironman triathlon.
Showing all 13
Triathlon
Small Fry Triathlon
Germantown, TN
Triathlon
Small Fry Triathlon
August 1, 2026
Germantown, TN
Triathlon
21st Annual HEAT Kids Triathlon
Hendersonville, TN
Triathlon
21st Annual HEAT Kids Triathlon
August 9, 2026
Hendersonville, TN
Triathlon
Riverbluff Triathlon
Ashland City, TN
Triathlon
Riverbluff Triathlon
August 11, 2026
Ashland City, TN
Triathlon
Mighty Marlins Kids Triathlon
Knoxville, TN
Triathlon
Mighty Marlins Kids Triathlon
August 22, 2026
Knoxville, TN
Triathlons in Nearby States
Frequently asked questions
What are the standard triathlon distances?▾
The main distances are Sprint (750m swim, 20K bike, 5K run), Olympic (1.5K swim, 40K bike, 10K run), Half-Ironman/70.3 (1.2mi swim, 56mi bike, 13.1mi run), and full Ironman (2.4mi swim, 112mi bike, 26.2mi run). Browse all distances on RACE.
What do I need for my first triathlon?▾
At minimum you need a swimsuit, goggles, a road or tri bike, helmet, running shoes, and a race belt for your number. Many beginners start with a sprint triathlon, which can be completed in 1-2 hours.
What is the difference between sprint and Olympic triathlon?▾
A sprint triathlon is roughly half the distance of an Olympic triathlon. Sprints typically take 1-1.5 hours while Olympic distance races take 2-3.5 hours. Sprints are ideal for beginners.
How do I qualify for the IRONMAN World Championship?▾
Athletes qualify by earning a slot at an IRONMAN-branded qualifying race. Each full IRONMAN event allocates slots to age group winners. The World Championship is held annually in Kailua-Kona, Hawaii.
What are the biggest triathlons in the US?▾
The SuperTri Chicago Triathlon is the largest single triathlon event with 8,000+ athletes. IRONMAN events in Texas, Florida, Lake Placid, and Arizona draw thousands. Escape From Alcatraz is a bucket-list race. Find them all on RACE.