Welcome to the 2025 Boston 5K presented by Harvard Pilgrim Health Care! We can't wait to kickoff the 2025 B.A.A. Distance Medley on Saturday, April 19th! Over the coming weeks, keep an eye out for participant newsletters and race information from the Boston Athletic Association.

For the third year, the B.A.A. is proud to partner with Harvard Pilgrim Health Care as the Boston 5K's presenting partner. Through this partnership, Harvard Pilgrim Health Care aligns with the B.A.A. to amplify its mission - to guide and empower healthier lives for everyone. Harvard Pilgrim Health Care looks forward to welcoming all 5K athletes to Boston on April 19, 2025!

This year's Boston 5K presented by Harvard Pilgrim Health Care will feature an all new course! Starting at Boston Common along Boylston Street, the course takes you through the Back Bay before going through Kenmore Square, up Hereford and ultimately crossing the finish at the Boston Marathon Finish Line on Boylston Street!

Step Up Your Training with Harvard Pilgrim Health Care's

Couch to 5K Guide

The Boston 5K presented by Harvard Pilgrim Health Care is just over a month away – but how is your training going? Whether you’re a regular distance runner or are trying a 5K for the first time, we can all use some training tips and tricks from the pros. To help you maximize your performance on April 19, check out our Runners Road Map, where experienced coaches share their best practices and strategies to help everyone run their best race.

Bib numbers will be assigned in the next week to view in Athletes' Village. For all U.S. residents, bib numbers will be mailed to your address on file in March. For international entrants, bib numbers will be available for pickup prior to the race.

All entrants can claim their adidas participant shirts after the race!

For the past 35 years, area non-profits have raised more than $550 million through the Boston Marathon. On Thursday, March 20th, be a part of #BostonMarathonGivingDay and join us in supporting more than 200 non-profits.

Don't forget to use #BostonMarathonGivingDay and tag @BostonMarathon to share your fundraising goals!

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