2025 Marathons

Massachusetts 2025 Marathons

Your complete Massachusetts 2025 marathon calendar. Find every marathon happening in Massachusetts in 2025 with comprehensive race details, registration information, and official results, including the Hyannis Marathon (Hyannis), Walter Childs Marathon (Holyoke), and 26.True Marathon (Boston).

Each marathon listing includes a 2025 marathon guide including dates, locations, course details, weather conditions, and relevant links for registration and more information. We maintain the most current results database, publishing official results on race day, plus complete 2024 results for year-to-year comparison.

Hyannis Marathon

Hyannis, Massachusetts

March 3, 2025

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The Hyannis Marathon invites runners to experience a mostly flat, two-loop course through the charming Cape Cod villages of Hyannisport and Centerville, featuring iconic landmarks like Craigville Beach and the John F. Kennedy Memorial. As a premier winter race in New England, it combines stunning coastal views and historical significance with the thrilling challenge of unpredictable late February weather, making it a beloved Boston Marathon qualifier.

26.True Marathon

Boston, Massachusetts

April 19, 2025

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The 26.True Marathon takes runners on an unsanctioned journey through Boston's lesser-known neighborhoods, starting near the historic Ella Little-Collins house and winding through 14 diverse areas, including a portion of Brookline. Celebrating Boston’s vibrant culture and diversity, this race offers participants a unique marathon experience without road closures, relying on community support from marshals, cheer zones, and hydration stations, as it highlights local cultural landmarks and BIPOC-owned businesses.

New England Green River Marathon

Greenfield, Massachusetts

August 24, 2025

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The New England Green River Marathon features a stunning net downhill route from Marlboro, Vermont, to Greenfield, Massachusetts, guiding runners through charming landscapes and across an 1870s covered bridge. Known for its breathtaking scenery and potential for personal bests due to its 1,400-foot descent, this USATF-certified course is celebrated as the fastest in New England, offering a memorable journey through picturesque and historic terrain.

Charles River Marathon

Boston, Massachusetts

September 9, 2025

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The Charles River Marathon features a flat, 2.6-mile loop along Boston's scenic Charles River, offering runners a strategic challenge with ten laps past iconic spots like DCR’s Herter Park. With its lively atmosphere, USATF certification, and a cause-driven mission to support skin cancer awareness, this race combines competitive spirit with community engagement, making it a standout event for both seasoned and aspiring marathoners.

Cape Cod Marathon

Falmouth, Massachusetts

October 12, 2025

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The Cape Cod Marathon in Falmouth, Massachusetts, captivates runners with its mix of flat terrain and rolling hills, offering breathtaking views of the Cape's coastline, including the iconic Nobska Lighthouse and Vineyard Sound. This late October race combines scenic beauty with a warm, community-driven atmosphere, making it not only a Boston Marathon qualifier but also a picturesque New England experience enriched with autumn foliage and local charm.