Massachusetts
Massachusetts Triathlon Calendar 2026-2027
Monthly updates for Massachusetts
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Explore the best triathlons in Massachusetts for 2026-2027! Our updated list features 28 exciting races across the region. Find your next race in Massachusetts below and join the running community at these great events!
September 2026
A USAT sanctioned triathlon at Craigville Beach offering sprint and Olympic distances plus relays, aquabike, duathlon, aquathlon and a virtual Tri It Your Way option. Massachusetts residents can earn state championship ranking points.
Experience a premier women's triathlon in Hopkinton featuring a swim, bike and run. This event offers individual and relay categories with a capped participant field for an focused racing atmosphere.
Experience a scenic sprint triathlon featuring a swim in Farm Pond and a bike ride through the Massachusetts backcountry. This community event concludes with a festive breakfast buffet and a stadium style finish.
A point-to-point adventure race in Nickerson State Park combining running, cycling, navigation and swim or paddleboard segments; racers compete solo or in teams of two to four on varied trail and water terrain.
A one-day adventure race in Greenfield Massachusetts combining mountain biking, running, paddling and map and compass navigation across the Connecticut River Valley. The modified rogaine format includes a mandatory route plus optional checkpoints for..
A multisport event at Horseneck Beach in Westport, MA on September 20, 2026 featuring triathlon, duathlon, relay and aqua bike formats with short swim and run segments. Early registration discounts are offered.
October 2026
A point to point swimrun through the Cape Cod National Seashore on October 3, 2026. Three course options are available and competitors may race solo or in teams of two; the race is part of the My SwimRun Championship series.
An off-road paddle run bike triathlon at Northfield Mountain featuring mass start paddles on the Connecticut River, trail running and single track mountain biking, with chip timing and staffed transitions.