Connecticut
Connecticut Triathlon Calendar 2026-2027
Monthly updates for Connecticut
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Explore the best triathlons in Connecticut for 2026-2027! Our updated list features 11 exciting races across the region. Find your next race in Connecticut below and join the running community at these great events!
July 2026
A community triathlon at Cedar Lake featuring sprint and super sprint distances, relay options, youth participation, and lake-side bike and run courses.
A midsummer triathlon at Blish Park with Sprint, Super Sprint, relay and Aqua Bike options. The event features lake swims, looped bike courses and a 5K run around the lake.
August 2026
A youth triathlon finale in Southington Connecticut for Race4Chase program participants after six weeks of training, with free registration for eligible members and a complimentary USA Triathlon Youth annual membership for all participants.
A Thursday evening triathlon finale at Cedar Lake with sprint, relay and super sprint formats, open water swims and fenced transitions.
A sprint triathlon at Sharon Town Beach on August 8, 2026, featuring a half mile swim, a 12.1 mile bike and a 4.1 mile run. Individual and team entries are offered and there is no day of registration.
A community triathlon at East Haddam Town Beach with a sprint race and a family fun tri featuring a 100 m swim, 5 km bike and 1 mile run. Live music and food trucks support the CMY Scholarship Fund.
Olympic distance triathlon at Lake Terramuggus in Marlborough, CT on August 15, 2026 featuring individual, relay, and aquabike options, age-group awards, and specific bike course and safety rules.
September 2026
A USAT sanctioned sprint triathlon at Madison Town Beach featuring a half-mile swim, 13-mile bike and 3-mile run, plus aquabike, youth, relay and parathlete divisions. Field limited to 500 and USAT membership is required.
May 2027
Triathlon at Pinewood Lake with a 1 mile swim, 25 mile out and back ride, and 5 mile hilly run; proceeds benefit the Cardinal Sheehan Center.