Join this inaugural triathlon event on June 27th, 2026, in Clarksville, TN, featuring a half-mile swim, 12.5-mile bike ride, and 3.1-mile run. Civilians can register online by navigating to the Family Friendly Race section, adding the 1st Annual Triathlon to their cart, and creating a new account if needed. Complete your registration by selecting your household member, choosing your t-shirt size, and checking out.