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 15 exciting races across the region. Find your next race in Massachusetts below and join the running community at these great events!
August 2026
The 42nd Annual Greenfield Triathlon in Greenfield MA on August 2, 2026 offers Sprint and International distances with individual and two and three person team categories. Proceeds support the Greenfield Recreation Department.
Sharon Triathlon on 08/09/2026 in Sharon, MA offers individual, relay and AquaBike formats with a half mile swim, a roughly 12.4 mile bike time trial and a 4.4 mile lakeside run, followed by a post-race BBQ.
A run, bike, and run duathlon in Hamilton, MA on August 15, 2026 with 2.4 mile runs and a 9.7 mile bike leg; $20 registration includes refreshments and prizes.
A city triathlon at DCR Carson Beach on August 23 2026 featuring sprint and Olympic triathlon formats plus an Olympic aquabike and relay categories.
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 community sprint triathlon at Boxford Town Beach with a 0.25 mile swim, 10 mile bike, and 1.5 mile run, plus relay team options. Proceeds support two $2,500 memorial scholarships for Masconomet Regional High School seniors.
A point-to-point adventure race in Nickerson State Park combining trail running, road cycling and swim or paddle options, open to solo competitors and teams of two to four.
A one day, multi discipline adventure race in Greenfield, MA on September 19, 2026 combining mountain biking, trekking and paddling over a 15 hour course. The event is USARA sanctioned and requires teams to supply boats or follow an alternate route.
A sprint triathlon and duathlon at Horseneck Beach State Reservation on September 20, 2026 featuring a 1/3 mile swim, a 13.3 mile bike through Westport farm country, and a 3.1 mile run finishing along the beach path.
October 2026
A point-to-point swim-run through the Cape Cod National Seashore on October 3, 2026, offering three distances. Competitors may race solo or as two-person teams; the event 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.
June 2027
A sprint triathlon at Long Pond on Cape Cod with a 1/4 mile swim, 10 mile bike and 5K run that raises funds for WOMR community radio.
Multisport event at Craigville Beach offering sprint and Olympic triathlons plus duathlon aquabike and aquathlon with lifeguarded swims and looped bike courses.