Key West Triathlon

Get ready for an unforgettable experience at the Key West Triathlon on Sunday, December 14th, 2025! Set against the stunning backdrop of Key West in Monroe County, this vibrant event offers a variety of race distances to cater to athletes of all levels. Participants can choose from the International Triathlon (0.6 miles swim, 22 miles bike, 6 miles run), Long Sprint Triathlon (0.4 miles swim, 12 miles bike, 4 miles run), Short Sprint Triathlon (0.2 miles swim, 7 miles bike, 2 miles run), Duathlon (0.55 miles run, 12 miles bike, 4 miles run), or the Aquabike (0.4 miles swim, 12 miles bike).

The Mack Cycle Key West Triathlon is not just about the race; it’s a celebration of athletic spirit with friends, family, and lively music cheering you on as you cross the finish line. After the race, take some time to unwind and explore the beautiful surroundings of this lively island. Don’t miss out on this perfect blend of competition and adventure in one of the most picturesque locations in the United States! Register today and join us for a day of fun and