Chelsea
Triathlon Calendar near Chelsea 2026-2027
Monthly updates for Chelsea
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Chelsea for 2026-2027! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
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.
Triathlon at DCR Carson Beach in Boston on August 23, 2026 offering Olympic and Sprint formats plus relay, U23, junior and aquabike categories.
September 2026
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.
Sprint triathlon at Boxford Town Beach with a 0.25 mile swim, 10 mile bike and 1.5 mile run; relay teams allowed and proceeds fund local scholarships.
Monthly updates for Chelsea
Get new running races (and updates) in your inbox every month.