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 22 exciting races across the region. Find your next race in Massachusetts below and join the running community at these great events!
May 2026
A multi-discipline event at Hopkinton State Park on May 17, 2026, offering Sprint Duathlon, Sprint Triathlon and team events with age-based entries and tiered pricing. Amenities include a finisher medal, event shirt, BBQ and live results.
Join the 12th annual LandShark Swim and Swim+Run at Lake Gardner for calm water swimming and scenic trail running just north of Boston. Choose from various swim distances or a challenging aquathlon in a professional racing environment.
June 2026
Experience a classic sprint triathlon featuring a kettle pond swim and a bike course through the Cape Cod National Seashore. This USAT sanctioned event supports community radio and offers ocean views on the run.
Experience the charm of New England with a current assisted river swim and a scenic bike ride through rural farmlands. This Springfield based triathlon perfectly balances urban convenience with peaceful countryside landscapes.
The Harvest Triathlon
The event takes place in Wareham, Massachusetts on Sunday, June 7, 2026. It features multiple race formats including Individual Sprint, Sprint Relay Team, Individual Olympic, Olympic Relay Team, Individual Aquabike Olympic, and..
Bare Hill Sprint Triathlon, Duathlon and Aquabike in Harvard MA offers sprint-distance triathlon, a relay option, duathlon and aquabike formats. The triathlon is USAT sanctioned and counts for Massachusetts State Championship ranking points.
Experience a historic Cape Cod tradition at the Hyannis 1 Triathlon. Choose from Sprint or Olympic distances and enjoy scenic courses passing through historic coastal villages and the shores of Nantucket Sound.
Join this family friendly multi sport event in Hopkinton featuring USATF certified 5K and 10K courses. Support breast cancer prevention through swimming, running, or walking in this long running community tradition.
The Endless Mountains Adventure Race is a five-day non-stop expedition through the mountains and forests of southern Vermont. Teams of two to four navigate wild terrain and face classic adventure racing challenges. This fourth edition is based out of..
The Cohasset Triathlon is a large sprint-distance event held at Sandy Beach in Cohasset. It features individual triathlon, aquabike, and relay team formats. The race is known for its seaside course and community atmosphere.
July 2026
Experience a scenic Cape Cod tradition featuring a salt water swim and a bike ride past the Nobska Lighthouse. This long running sprint triathlon offers categories for all experience levels in a festive coastal setting.
Experience the Nantucket Triathlon at Jetties Beach with options for a full triathlon, AquaBike, or relay teams. This July event offers athletes a coastal racing experience in Massachusetts for individuals and groups.
The Appleman Triathlon offers a scenic multi-sport challenge in Littleton, MA. Choose from a sprint triathlon, duathlon, relay, or AquaBike event starting at Long Pond. The family-friendly venue includes a beachfront transition, post-race festivities..
Test your endurance at the Boston DEKA FIT. The indoor event combines 10 fitness zones with a 5 km run. Categories include Elite, Age Group, Ruck, and team competitions.
Experience a scenic 14 mile triathlon in Mattapoisett organized by the local Lions Club. This event supports regional charities and offers individual, youth, and relay categories for athletes of all backgrounds.
August 2026
Experience the longest running triathlon in New England through the scenic back roads of Greenfield. With International and Sprint distances, this USAT sanctioned event features a river swim and a route through a historic covered bridge.
Experience a fast and scenic triathlon featuring a half mile lake swim, a 12.3 mile bike time trial, and a shaded 4.4 mile run. Join as an individual or part of a relay team and enjoy a signature post race BBQ.
Experience the Boston Triathlon at DCR Carson Beach featuring Sprint and Olympic distances. Athletes compete on a unique course including city beaches and closed roads with options for individuals and relay teams.
September 2026
Experience the 44th edition of the historic Hyannis 2 Triathlon at Craigville Beach. Choose from Sprint and Olympic distances featuring triathlon, duathlon, and aquabike formats in a scenic seaside setting.
Experience an unpredictable point to point adventure triathlon through the 2000 acre Nickerson State Park. Choose between swimming or stand up paddleboarding in this unique Cape Cod endurance event.