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
Pre-race bib number and shirt pick-up options will be available at the following REI locations:
Tuesday, October 3 | 3:00 – 7:00 PM
Wednesday, October 4 | 3:00 – 7:00 PM
Thursday, October 5 | 3:00 – 7:00 PM
Friday, October 6 | 3:00 – 7:00 PM
Number and shirt pick-up will also 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.