Endurance Grid lists 10 triathlons in Tennessee, from November 2026 to September 2027 across 5 cities.
The triathlon race calendar in Tennessee is busiest in June, May, and August, with races most often in Chattanooga, Nashville, and Knoxville.
A triathlon is three sports in one race — swim, then bike, then run, back to back, with two timed transitions in between. The sprint distance — a 750m swim, 20K bike, and 5K run — makes the sport more accessible than most people think.
The swim start is exciting and chaotic but finds a rhythm fast; the bike course is usually quiet; the run brings the crowds and the finish line. Beyond fitness, the transitions between disciplines are their own skill.
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