Massachusetts
Massachusetts Triathlon Calendar 2026-2027
Monthly updates for Massachusetts
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Massachusetts for 2026-2027! Our updated list features 9 exciting races across the region. Find your next race in Massachusetts below and join the running community at these great events!
September 2026
A point to point multisport race in Nickerson State Park on September 19, 2026 combining trail running, road cycling and pond swims or paddling for solo or team entries.
A USARA-sanctioned, 15 hour adventure race in Greenfield, MA combining biking, trekking, paddling and map navigation for solos and teams.
Season ending sprint triathlon and duathlon at Horseneck Beach with an open water swim in Buzzards Bay, scenic bike routes through Westport, and a beach finish.
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.
Off‑road paddle, run and bike triathlon at Northfield Mountain featuring a mass-start river paddle around Captain Kidd's Island and single track run and bike courses.
Monthly updates for Massachusetts
Get new running races (and updates) in your inbox every month.
June 2027
A sprint triathlon at Long Pond, Wellfleet with a 1/4 mile swim, 10 mile bike and 5K run that benefits 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.
July 2027
A longstanding sprint triathlon at Surf Drive Beach with open age, aquabike, para, relay and virtual options plus a scenic swim, bike and 5k run route.
A 450 yard time trial swim, a 13.5 mile out and back bike, and a 3.4 mile run through Nantucket with overlap areas staffed by police and volunteers.