Athletes
9,000 participants will take part on race day
Info For
Para & Adaptive
Eligibility, Divisions, and Classifications
Spectators
Where and how to watch on race day
Volunteers
Support athletes as a volunteer
Pro Athletes
Global stars at the front of the field
Dana-Farber Cancer Institute and the Jimmy Fund
Presenting Partner of the Boston Half
Media/Press
Media Relations and Updates
Free Youth Races
Youth up to 14 years old can participate. Pre-registration is now open!
The Course
Starting and finishing in Boston’s Franklin Park, the route runs along the Emerald Necklace Park System, past Arnold Arboretum, Jamaica Pond, Willow Pond and Olmsted Park.
The Updated Course
7,200+
Finishers of the 2025 Boston Half
$1 mil.
Team Dana-Farber raised nearly $1,000,000 at the 2025 race.
735
Team Dana-Farber fundraisers in 2025
3,245
Runners completed the B.A.A. Distance Medley at the 2025 Boston Half.
Recent News
Learn more about the Boston Half
News & Stories
Global Stars Provide Inspiration, Words of Encouragement Ahead of 2023 B.A.A. Half Marathon presented by Dana-Farber Cancer Institute and the Jimmy Fund
BOSTON – Today, members of the B.A.A. Half Marathon professional field took part in a special meet and greet event with Stride for Stride running…