Connecticut
Connecticut Triathlon Calendar 2026-2027
Monthly updates for Connecticut
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Connecticut for 2026-2027! Our updated list features 4 exciting races across the region. Find your next race in Connecticut below and join the running community at these great events!
August 2026
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.
A community triathlon at Compo Beach on September 27, 2026 with a point to point swim, flat neighborhood bike and run courses, awards and post race activities.
May 2027
BoFish Triathlon 2027 at Pinewood Lake in Trumbull, Connecticut features a 1 mile swim, 25 mile out-and-back bike, and a 5 mile hilly run with proceeds to a local youth center.
Monthly updates for Connecticut
Get new running races (and updates) in your inbox every month.