Massachusetts Running Races

475 upcoming races across Massachusetts in the next 12 months, from local 5Ks to marathons and ultras. Updated nightly. Want filters, maps, and radius search? Open Massachusetts in the Race Finder.

By distance: Marathons · Half Marathons · 5K Races · 10K Races · Ultras

By city: Boston · Worcester

Racing in Massachusetts: what the calendar looks like

There are 475 races on the Massachusetts calendar over the next 12 months, which works out to roughly 9 every weekend. September is the busiest month with 158 races; February is the quietest with 1. The busiest places to race are Boston (27), Worcester (12), Hingham (8).

Of those, 362 offer a 5K, 66 offer a 1 Mile and 37 offer a 10K. The next marathon is Beantown Marathon on September 6 in Hingham. The next half marathon is TARC Fall Classic on September 5.

By race count Massachusetts ranks 14th of 51 states.

Races by month

Going deep on one race

Boston Marathon: fly the course in 3D

Fly the full course in 3D over real buildings, bridges and terrain, with the elevation profile, every named climb, and typical race day weather.

September 2026

October 2026

November 2026

December 2026

January 2027

February 2027

March 2027

April 2027

May 2027

June 2027

July 2027

August 2027

Planning a race

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