Boston Triathlon

AUG
23
2026
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.
Olympic Sprint

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2026 Boston Triathlon

The Boston Triathlon takes place at DCR Carson Beach in Boston, Massachusetts. This multi-sport event features a course that utilizes local beaches, paths, and closed roads within the city limits. Participants compete on well-paved surfaces throughout the race.

The event offers several competition formats and registration categories:

  • Sprint Triathlon: Available for individual participants, under-23 (U23) athletes, and relay teams.
  • Olympic Triathlon: Available for individual participants, under-23 (U23) athletes, relay teams, and junior relay teams.
  • Olympic Aquabike: An individual competition focusing on the swimming and cycling portions of the Olympic distance.

The competition is organized by Ethos and is scheduled for late August. Registration is open for both individual entries and teams. Relay options allow multiple participants to form a team to complete the different segments of the Sprint or Olympic distances together. Visit the organization's website for the most recent information.

Olympic
Sprint

Events nearby

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.
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 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.