5K Races in Boston, Massachusetts

There are 12 5K races in Boston, Massachusetts in 2026. The next is the New England Brain Aneurysm Foundation Run-Walk on April 26.

New England Brain Aneurysm Foundation Run-Walk

Sun, Apr 26 · Boston, MA Boston

Virtual 2.5K Untimed Walk5K Timed Run/WalkVirtual Participant

From $40 Closed

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Boston Marine Corps Honor Run

Sat, May 9 · Boston, MA Boston

Road Marine Corps Scholarship Foundation Charity Runner5KROTC/JROTC +3

From $30 Open

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Harpoon 5-Miler

Sat, May 16 · Boston, MA Boston

Road Harpoon 5-Miler

From $70 Open

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Race to Cure Sarcoma Boston

Sun, May 17 · Boston, MA Boston

Virtual 5K Run or 1-Mile Walk (Untimed) - Child (Ages 6-12)5K Run or 1 Mile Walk (Untimed) - AdultVirtual - Adult +3

From $10 Open

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4K Trail Run

Wed, May 20 · Boston, MA Boston

Road Wednesday 4K Trail Run - Individual RegistrationsThursday 4K Trail Run - Team RegistrationsThursday 4K Trail Run - Individual Registrations +1

From $0 Open

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Girls On The Run Greater Boston Spring Season Celebratory 5K

Sat, May 30 · Boston, MA Boston

Road Coach RegistrationCommunity RunnerGirls Registration +1

From $0 Open

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Road of Rainbows Pride 5K

Sat, Jun 6 · Boston, MA Boston

Road Subsidized/Student Runner/WalkerRunner/Walker with Donation (true cost of event)Runner/Walker +1

From $30 Open

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Let's Get Movin' New Balance Foundation 5K for Fitness

Sat, Jun 6 · Boston, MA Boston

Road 5K for Fitness

From $15 Open

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Colin's Joy Project 5K

Sat, Sep 26 · Boston, MA Boston

Road 1/2 Mile Run5K100M Dash

From $15 Closed

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Esplanade 5K Run & Walk

Sun, Oct 25 · Boston, MA Boston

Road Esplanade 5K RunEsplanade 5K Walk

From $30 Closed

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DAV 5K Boston

Sat, Nov 7 · Boston, MA Boston

Road DAV 1 Mile WalkDAV 1 Mile Walk: Veterans with Runner ShirtDAV 5K Boston +1

From $20 Open Closing Soon

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SMC Charity Demo

Thu, Jul 1 · Boston, MA Boston

Road The Charity Run

From $100 Open

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