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 15 exciting races across the region. Find your next race in Connecticut below and join the running community at these great events!
May 2026
Experience a personalized triathlon at Pinewood Lake featuring a 1 mile swim, 25 mile bike ride, and a 5 mile hilly run through Trumbull. All proceeds support local community youth programs in Bridgeport.
Experience a scenic multisport event through the countryside of Ridgefield Connecticut. Choose between a sprint triathlon featuring a swim in Great Pond or a duathlon involving two running stages and a rolling thirteen mile bike ride.
June 2026
Experience a flat and traffic free sprint triathlon or duathlon at Seaside Park in Bridgeport. This event features a swim in the Sound and a scenic two loop bike course followed by a beachside breakfast.
Lake Terramuggus Sprint Triathlon #1
The event takes place on June 18, 2026, at 200 Park Road in Marlborough, CT. The race starts at 6:15 PM. The Lake Terramuggus Sprint Triathlon is in its 25th year and has served as a first race for many Iron Dista..
Experience the 25th Pat Griskus Olympic and 40th Sprint Triathlon at Lake Quassapaug. Compete in individual or relay events through scenic New England landscapes and shaded back roads in Middlebury.
July 2026
Lake Terramuggus Sprint Triathlon #2
This triathlon takes place on Thursday, July 2, 2026, starting at 6:15 PM EDT. The event is located at Blish Park in Marlborough, Connecticut (06447).
The race offers four different events: Sprint Tri, Super Sprin..
The Litchfield Hills Triathlon is an Olympic-distance event in New Hartford, CT. Athletes can choose the full triathlon, an AquaBike, or a team relay. The scenic course includes a swim in West Hill Lake and has no cut-off times.
Experience a sprint triathlon at the scenic Hopkins Vineyard in Connecticut. Competitors swim and bike around Lake Waramaug in this unique multi sport event featuring individual and relay categories.
Experience the 25th year of this multisport event at Blish Park featuring a lake swim, rolling bike loops, and a scenic run with multiple distances including Sprint and Super Sprint options.
A summer evening triathlon at Lake Terramuggus offers multiple race formats, from a classic sprint to a shorter super sprint. The course features a lake swim, a rolling bike leg, and a scenic run around the water. It's the 25th year for this event in..
August 2026
Celebrate the achievements of young athletes at the Race4Chase Triathlon Program Finale in Connecticut. This exclusive event for program participants showcases the swimming, biking, and running skills gained over the summer.
Experience the Sharon Sprint Triathlon at the scenic Sharon Town Beach. This event features a half mile swim, a 12.1 mile bike ride, and a 4.1 mile run for individuals and teams.
The Niantic Bay Triathlon is scheduled for August 9, 2026, in Niantic, Connecticut. The event starts and is based at 400 Main Street.
Experience a scenic triathlon in Marlborough featuring a 1600 yard swim, 25 mile bike, and 10K run. Choose from individual, relay, or aquabike formats on a course with moderate hills at Lake Terramuggus.
September 2026
Experience a scenic point to point swim and flat bike and run courses at Compo Beach. This inclusive triathlon offers individual and relay categories for all ability levels in a beautiful coastal setting.