Participant race shirts will be limited to the first 4,000 registrants. Interested participants are encouraged to register early!
Please note: An additional processing fee will be applied to all online registrations.
Send your completed entry form and a check or credit card payment to:
88 Black Falcon Avenue
Boston, MA 02210
Mail-In Registration Deadline: September 29, 2023
Mail-In Registration Opening March 8, 2023
Pre-race bib number and shirt pick-up options will be available at REI locations in October. A full schedule will be made available for all registrants and posted here.
Number and shirt pick-up will be available on race day:
Saturday, October 7 | 6:00 – 8:30 AM
You may pick up for friends and family, but PLEASE let them know to avoid any confusion.
If space remains, Race Day Registration will open at 6:30 AM at Boston Common.