Our members race locally, yet also travel far and wide to compete in triathlons. Below, you will find a list of the triathlon races happening in New England from local race companies, such as New England Endurance Events, Outsider Endurance Max Performance, and Streamline Events. Please check our facebook group to see if there is a grassroots campaign to head to an event off – Cape! We often get the team together to compete for a team award! If you are looking for running races, please check our sister site, Cape Cod Athletic Club.
2025 NEW ENGLAND Race Calendar (partial list- to find more local New England triathlons and duathlons, please visit runningintheusa.com)
May 2025:
- Polar Bear Triathlon and Duathlon: Scheduled for May 3, 2025, in Brunswick, Maine. Ahotu
- New England Season Opener Triathlon & Duathlon: Set for May 18, 2025, at Hopkinton State Park in Hopkinton, Massachusetts. Ahotu+4trifind.com+4trisignup.com+4
June 2025:
- TriRidgefield Sprint Triathlon and Duathlon: Taking place on June 1, 2025, in Ridgefield, Connecticut. Ahotu
- Bare Hill Sprint Triathlon, Duathlon, and Aquabike: Scheduled for June 8, 2025, in Harvard, Massachusetts. trisignup.com+2maxperformanceonline.com+2trifind.com+2
- Pat Griskus Olympic, Duathlon, Sprint Triathlon: Taking place on June 14, 2025, in Middlebury, Connecticut.
- Wellfleet Sprint Triathlon: Set for June 14, 2025, in Wellfleet, Massachusetts. neeevents.com
- Hyannis 1 Triathlon: Scheduled for June 7, 2025, in Hyannis, Massachusetts. neeevents.com
- IRONMAN 70.3 Western Massachusetts: Taking place on June 8, 2025, in Springfield, Massachusetts, this event features a 1.2-mile swim in the Connecticut River, a 56-mile bike ride through scenic New England landscapes, and a 13.1-mile run that passes through Forest Park and downtown Springfield. IRONMAN+1IRONMAN+1
- Harvest Triathlon: Taking place on June 8, 2025, in Wareham, Massachusetts. Running in the USA+2maxperformanceonline.com+2trisignup.com+2
- Patriot Half: Scheduled for June 14, 2025, at Cathedral Camp in East Freetown, Massachusetts, this event features a 1.2-mile swim in Long Pond, a 54-mile bike course, and a 13.1-mile run. Outsider Endurance+1events.hakuapp.com+1
July 2025:
- Whaling City Tri & Du: Taking place on July 20, 2025, at Fort Taber Park in New Bedford, Massachusetts, this beginner-friendly race offers a 0.25-mile swim in Buzzards Bay, an 11.4-mile bike course, and a 3.1-mile run. Outsider Endurance
- Falmouth Sprint Triathlon July 13, 2025 neeevents.com
- Sea to Summit Triathlon: Set for July 26, 2025, in New England. neeevents.com
- IRONMAN 70.3 Maine: Scheduled for Sunday, July 27th, 2025, in Augusta, Maine, this race includes a fast downriver swim in the Kennebec River, a challenging 56-mile bike course, and a 13.1-mile run through the historic charm of the Northeast.
August 2025:
- Sharon Triathlon: Taking place on August 10, 2025, in Sharon, Massachusetts. maxperformanceonline.com
- Cranberry Trifest: Set for August 24, 2025, at Ted Williams Camp in Lakeville, Massachusetts, this event includes a 0.9-mile swim, a 26.2-mile bike ride, and a 6.2-mile run. Outsider Endurance
September 2025:
- Hyannis 2 Triathlon: Scheduled for September 6, 2025, in Hyannis, Massachusetts. neeevents.com
- The Outsider (Pilgrimman): On September 6, 2025, at Myles Standish State Forest in Plymouth and Carver, Massachusetts, participants can choose from sprint, Olympic, and half-distance races.
- Buzzards Bay Triathlon: Scheduled for September 14, 2025, in Buzzards Bay, Massachusetts. maxperformanceonline.com
- SwimRun Cape Cod: Set for September 20, 2025, in Cape Cod, Massachusetts. neeevents.com
- Gut Check Adventure Triathlon: Taking place on September 27, 2025, in New England. gutchecktriathlon.com
