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Cambridge Half Marathon + 5K

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Cambridge Half Marathon + 5K

5K: Saturday, October 31 @ 10AM; Half: Sunday, November 1 @ 7AM
Cambridge, MA 02141 US

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Pre-Race Day Volunteer

Medal Preparation

You must be 18 or older to volunteer for this task.

October 29, 2026

October 30, 2026

This volunteer task is full.

Details

Volunteers will be responsible for unwrapping and organizing race medals Thursday and Friday before race day.

**PLEASE NOTE: It is possible that the Friday shift will be canceled if the Thursday shift completes the task. Historically, this is highly likely. We open a Friday shift as a precautionary measure.**

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Pre-Race Bib Look Up

You must be 18 or older to volunteer for this task.

October 29, 2026

October 30, 2026

October 31, 2026

This volunteer task is full.

Details

Volunteers will be responsible for helping participants look up their race bib number during bib pick up on Thursday, Friday and Saturday.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Pre-Race Bib Distribution

You must be 18 or older to volunteer for this task.

October 29, 2026

October 30, 2026

October 31, 2026

This volunteer task is full.

Details

Volunteers will be responsible for distributing race bibs to participants on Thursday, Friday and Saturday before race day.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Pre-Race Quarter Zip Distribution

You must be 18 or older to volunteer for this task.

October 29, 2026

October 30, 2026

October 31, 2026

This volunteer task is full.

Details

Volunteers will be responsible for distributing quarter-zip pullovers to half marathon participants on Thursday, Friday and Saturday before race day.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Pre-Race Photographer

You must be 18 or older to volunteer for this task.

October 29, 2026

October 30, 2026

October 31, 2026

This volunteer task is full.

Details

Volunteers will be responsible for helping participants get the picture taken on Thursday, Friday and Saturday before race day in front of the step & repeat with their bibs. This is a VOCAL & interactive position.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Pre-Race Shirt Distribution

You must be 18 or older to volunteer for this task.

October 29, 2026

October 30, 2026

October 31, 2026

Details

Volunteers will be responsible for distributing t-shirts to 5K participants on Thursday and Friday before race day.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers who complete a 3.5+ hour shift will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift. Those who complete a shift of less than 3.5 hours will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Pre-Race Backpack Distribution

You must be 18 or older to volunteer for this task.

October 29, 2026

October 30, 2026

October 31, 2026

This volunteer task is full.

Details

Volunteers will be responsible for handing out CHM backpacks to runners during bib pick up hours on Thursday, Friday and Saturday.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Race Day Volunteer

Bag Check

You must be 18 or older to volunteer for this task.

October 31, 2026

November 1, 2026

Details

Volunteers will be responsible for collecting and organizing participants' personal bags on each race morning.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Finish Line Fruit Distribution

You must be 18 or older to volunteer for this task.

October 31, 2026

November 1, 2026

Details

Volunteers will be responsible for handing out and replenishing fruit to the runners after they cross the finish line.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers who complete a 3.5+ hour shift will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift. Those who complete a shift of less than 3.5 hours will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Finish Line Water Distribution

You must be 18 or older to volunteer for this task.

October 31, 2026

November 1, 2026

Details

Volunteers will be responsible for handing out water to the runners after they cross the finish line.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers who complete a 3.5+ hour shift will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift. Those who complete a shift of less than 3.5 hours will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Finish Line Medal Distribution

You must be 18 or older to volunteer for this task.

October 31, 2026

November 1, 2026

This volunteer task is full.

Details

Volunteers will be responsible for awarding the finishers with race medals after they cross the finish line.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers who complete a 3.5+ hour shift will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift. Those who complete a shift of less than 3.5 hours will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Starting Line Corral Keepers

You must be 18 or older to volunteer for this task.

November 1, 2026

Details

Volunteers will be responsible for directing runners to their designated corral on race day. This is a VOCAL & interactive position.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

People Movers

You must be 18 or older to volunteer for this task.

November 1, 2026

Details

Volunteers will be responsible for guiding runners to the starting line. This is a VOCAL & interactive position.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Finish Line Bar Distribution

You must be 18 or older to volunteer for this task.

November 1, 2026

Details

Volunteers will be responsible for handing out and replenishing granola bars to the runners after they cross the finish line.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Finish Line Gatorade Distribution

You must be 18 or older to volunteer for this task.

November 1, 2026

Details

Volunteers will be responsible for handing out and replenishing Gatorade to the runners after they cross the finish line.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Green Team - Start/Finish Line Area

You must be 18 or older to volunteer for this task.

November 1, 2026

Details

Volunteers will be responsible for cleaning up the start/finish line area by removing trash & picking up throw down clothing.

The Green Team will have a 1 hour break from 7:30AM-8:30AM.

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

CambridgeSide, 100 Cambridgeside Place, Cambridge, MA
*Please look for an email during race week with more specific instructions

Water Stop

On Course Water Stop #2

You must be 18 or older to volunteer for this task.

At least 9 more volunteers needed.

Details

Volunteers will be responsible for handing out water to the runners at the assigned water stop along the course.

***A password is necessary for this volunteer assignment. This volunteer assignment is reserved for a group. Please do not try to sign up unless you are associated with that group.***

Got a team of at least 20 people who want to volunteer together? Email us!

Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

Mile 5/Harvard Athletic Area

On Course Water Stop #4

You must be 18 or older to volunteer for this task.

At least 7 more volunteers needed.

Details

Volunteers will be responsible for handing out water to the runners at the assigned water stop along the course.

***A password is necessary for this volunteer assignment. This volunteer assignment is reserved for a group. Please do not try to sign up unless you are associated with that group.***

Got a team of at least 20 people who want to volunteer together? Email us!


Volunteers are a valued part of the Cambridge Half Marathon team! Volunteers will receive a complimentary 2026 race t-shirt, 5 CambridgeSide garage parking passes, and a voucher for a 2027 Cambridge Half Marathon or 5K race bib after they complete their shift.

Location

JFK Bridge/Memorial Drive/Mile 9.5

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