Boston 5.25 & 10.5 Miler

May 12 | 8:00 AM

Charles River

Kick off Summer with a race around the Charles River on May 12.

5 & 10 Mile Pass

Registration will close at 6 PM on Wednesday, May 9



7:15 AM – Number Pick-Up Opens
8:00 AM – 5.25 & 10.5 Miler Starts
10:00 AM – Award Ceremony



5.25 Miler is 2 loops
10.5 Miler is 4 loops
USATF Certified & Sanctioned Course

View 5 mile Course Map (JPEG)
View 10.5 mile Course Map (JPEG)



Start & Finish Location: Charles River @ Christian Herter Park
Parking – Parking has been known to be an issue around the neighborhood. Please read all street signs and obey parking regulations.

We recommend taking the MBTA to the race.

MBTA – Please use Google Maps for directions to the races or MBTA website.



Do not check any valuables. Although we will do our best to ensure that your gear is waiting for you at the end of the race, we are not responsible for lost items and/or gear check bags.



Restrooms available in Reilly Memorial Rink. Please respect the surroundings to ensure we are able to continue using the park as our home base.


The following is a close approximation of how the race fee is allocated in BRR’s service plan.

Cost Service Details
20% Community Initiative Covers BRR’s community programs, including two weekly run clubs, fitness challenges, summer activities, and marathon training programs
20% Youth Initiative Funds the Youth Initiative’s projects, including the Youth Access program to provide discounted registration for under-18 & Scholarship Fund
10% Non-profit Operations Contributes to overhead costs, expenses associated with management and operations
5% Permit Fees Contributes to fee for permits, insurance, and USA Track & Field fees
15% Security & Staff Contributes to compensation for park rangers, police, and personnel
20% Road Race Expenses Photographers, race equipment, race supplies, water, food, portable restrooms, etc.
10% Timing Expenses Contributes to cost for timing services





In-Kind Sponsors