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2021 Charles River Half Marathon & 5K

Crh logo

Join us at the Marsh Post on 9/19 for the Charles River Half and 5K, held on a fast, flat 2.6 mile loop around the Charles River. Half entrants get a great shirt, a beautiful finisher's medal, and beers from Mighty Squirrel at our finish line party.

9:00 AM, Sun. Sep 19, 2021

Cambridge, MA 02138

Race / Category
Starts
Cost
Prizes / Awards
No surprise fees - what you see is what you pay, service fee included
9:00 AM
$85.00
Entry includes a great shirt, a finisher’s medal, and post-race beers from Mighty Squirrel at our finish line party.
9:00 AM
Free
Raise at least $100 and your entry fee is waived. Entry includes a finisher's medal, shirt, and post-race beers.
9:10 AM
$30.00
Entry includes post-race beers from Mighty Squirrel at our finish line party.
Heats
$115.00
Teams can have 2-5 runners. Prizes for fastest female team, fastest male team, and fastest mixed (2/3) team.
8:00 AM
Free
Volunteers get a free tshirt and drink tickets for the post-race party.
Organized by
Race logo 2014

RACE Cancer Foundation

J. Alain Ferry
Course Map

From the Organizer

SEP. 9 ANNOUNCEMENT:

EVENT POSTPONED TO (DATE TBD)

FULL REFUNDS WILL BE ISSUED ASAP

ALL RACE DETAILS AT RACECANCER.ORG/CRHALF

2019 RESULTS HERE


2018 RESULTS HERE



raceday SCHEDULE:

8:00 am – Registration opens
8:50 am - Registration CLOSES 
9:00 am – Half Marathon START
9:05 am - Half Relay START
9:10 am - 5K START
11:00 am – Awards Ceremony – Overall Winners (top 3 m & f)
12:15 pm – Awards Ceremony – Age Group Champions (1st m & f) & Relay Teams (1st all male, 1st all female, & 1st mixed)

Bag check:
As with all RACE events, there will be secure bag-check area (near start/finish line) for all participants.

AWARDS AND RULES:

Half Marathon: Top 3 male & female overall, and age group awards: 18&U, 19-29, 30-39, 40-49, 50-59, 60+. Overall awards are based on gun time. AG awards are based on chip (net) time. Trophies/medals can be picked up at our office but any other prizes may only be claimed at the awards ceremony. Due to permitting and volunteer constraints, the half marathon will have time limit of 4 hours. 

Half Marathon Relay: Fastest female team, fastest male team, and fastest mixed team (at least one female and one male.) We’ve competed in enough relay races to recognize how difficult it can be to recruit enough people, let alone make sure they all show up on race day. For that reason, we’re doing things differently at the Charles River Half Marathon Relay. Teams can consist of two, three, four, or five runners per team, male or female. Each runner may run one, two, three, or four laps of the course, for a total of five laps per team. Any runner completing more than one lap must do so consecutively. So runner #1 on a 4-runner team cannot complete lap #1, then rest up and also complete lap #5. Team size and lap assignments must be finalized before the start of the race. 

BODYARMOR stations: There will be three BODYARMOR stations on the 2.6 mile loop: two along Greenough Boulevard, and one at the start/finish line. Each BODYARMOR station will have Sports Drink and Water.

Dogs and strollers: Sorry, while dogs and strollers are typically welcome in our events, we can’t allow either in this event.

We need volunteers!
We are seeking volunteers to help with several aspects of the event. Please sign up to volunteer at racemenu.com/crhalf

Public Transportation:
Plan your trip with the MBTA's Transit Near Me site. Harvard Square MBTA Station is less than one mile away. The 71 & 73 buses will drop you off .4 mile away at Mount Auburn Hospital, and the 66 & 86 buses will drop you off .5 mile away by Harvard Stadium.

Parking:
There's a free public parking lot across the street on Greenough Boulevard next to the BB&N School. There are four free public parking lots across the river on Soldiers Field Road, the largest being lot #4 at 1101 Soldiers Field Road, which is also the turn exit for Everett Street. Lot #4 is a .75 mile walk from the Marsh Post. There's ample street parking in the neighborhood around Mount Auburn Hospital.

Postponement, Cancellation and Refund Policy:
All events are held rain or shine. In the event of severely inclement weather, an event may be postponed to another date. No refunds will be issued due to conflicts with the postponement date. If RACE must cancel the event due to circumstances beyond our control, no refunds will be issued. Please remember that all proceeds go to charity.