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Event Organizer1 event
ethos
603-290-2222
Events organized by ethos
1 event
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Sun, Aug 23, 2026
Join us this summer for one of the most exciting races of the year. With a one-of-a-kind course that includes beaches, paths, and well-paved closed roads – all in the City of Boston!
Event details and schedule
Multisport events nearby
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Distance: 10 km from BostonSat, Jun 27, 2026 at 9:00 AM
Saturday, June 27, 2026 in Quincy, MA at St Thomas Aquanis Hall
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Distance: 6.1 km from BostonSun, Jun 28, 2026 at 9:30 AM
Starts and finishes in beautiful downtown Cambridge, Massachusetts
Make it a summer stroll or an all-out sprint down Massachusetts Avenue. The course is fast and flat so you can get back to the finish line sooner!
Registration fees:
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$40 through 4/12
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$42.50 from 4/13 through 5/17
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$45 from 5/18 through 6/21
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$50 from 6/22 through race day
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Distance: 1.3 km from BostonSat, Jul 18, 2026 at 9:30 AMSee full details
Miles for Migraine will host its 9th annual 2-mile Walk, 5K Run and Relax Massachusetts event on Saturday July 18th at Carson Beach (Mother's Rest Area) in South Boston. This event is a fundraiser for Migraine & Headache Awareness, Treatment & Research. It's more than a walk/run - come connect with your local migraine & headache community, listen to our speakers & visit sponsors in the festival area.
The 5K run is professionally timed. The Walk and the Relax events are free, but donations are encouraged. All walk and run finishers receive a finisher medal.
Dress up in your best purple flair for a chance at a fun prize!
Funds raised will benefit Miles for Migraine free programs & services.
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Distance: 1.5 km from BostonFri, Jul 24, 2026See full details
Experience the grit and glory of Boston, a city where athletic tradition is woven into the very cobblestones of its historic streets. From the legendary finish line of the Boston Marathon to the spirited atmosphere of its world-renowned sports culture, the "City of Champions" provides an electrifying backdrop for athletes ready to push their limits in one of America's most iconic hubs.
The challenge unfolds at the Thomas Michael Menino Convention and Exhibition Center, a premier waterfront venue that offers a sprawling, high-energy arena for the ultimate indoor fitness race. Over three action-packed days, competitors will tackle the signature DEKA FIT course featuring 10 functional fitness zones paired with 5km of running. This event boasts a massive lineup including Elite and Age Group heats, Ruck waves, and high-intensity 2-Person and thrilling 4-Person team categories. For those seeking the pinnacle of endurance, Boston will also host the DEKA FIT Ultra, providing a grueling yet rewarding platform for athletes to cement their own legacy in this historic city.
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Distance: 4 km from BostonSat, Aug 01, 2026 at 5:00 AMSee full details
Ride for the Boston Bruins Foundation's Pan Mass Challenge team this summer! The PMC's mission is to raise funds for cancer research and treatment at Dana-Farber Cancer Institute. 100% of every rider-raised dollar goes directly to Dana-Farber. The PMC offers 14 fully supported routes - from 25 to 186 miles - with different levels of cycling ability, fundraising capacity and logistics. As part of the Boston Bruins Foundation's PMC team, you will get special Bruins-themed PMC swag, exclusive fundraising help, bussing to the start line, and the support of our team members throughout the whole PMC weekend. The Pan Mass Challenge 2025 will take place August 1 & 2, 2026.