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The American Cancer Society’s Charles River Relay For Life 5K to Fight Back Against Cancer

Saturday, May 3, 2025 in Natick, MA at 15 West St Natick
Start and Finish near Varsity Softball Field (close to tennis courts)


  • 5K at 9:00 AM
    First 30 registrants will receive a gift from Natick Outdoors Store.

    » $30.00 (plus $3.75 processing) 18 & over registration (through 5/1 at 11:59 PM EDT)
    » $20.00 (plus $3.25 processing) 11 - 17 years old registration (through 5/1 at 11:59 PM EDT)
    » $20.00 (plus $3.25 processing) full time student registration (through 5/1 at 11:59 PM EDT)
    » Free - 10 and under registration (through 5/1 at 11:59 PM EDT)
    » Free - CANCER SURVIVOR (through 5/1 at 11:59 PM EDT)
    Register an Individual

  • Volunteer
    (not an event entry)

    » volunteer registration (through 5/1 at 11:59 PM EDT)
    Volunteer



* Click here for fee information

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 Make A Donation

Our 5K is a fundraiser for The Charles River Relay For Life.
To donate and/or enter donations go to: secure.acsevents.org/site/TR?team_id=2794635&fr_id=109838&pg=team

 General Event Details

  • This is a family friendly, community event to celebrate survivors, remember loved ones lost and fight back against cancer. Money raised supports The American Cancer Society’s mission to improve the lives of people with cancer and their families through advocacy, research, and patient support to ensure everyone has an opportunity to prevent, treat and survive cancer.
  • This 5K fundraiser benefits American Cancer Society’s Relay for Life. All runners and walkers are encouraged to fundraise and purchase raffle tickets to fight back against cancer.
  • Music, entertainment, vendors, post run refreshments and lawn games/ fun activities, raffles and prizes (bring cash/app option to purchase tickets before you run).
  • Parking at school lot, 15 West Street. If lot is full, park at lot between Pond and Memorial Field (football field) on West Street.
  • Early bib pick up, April 26th at Natick Outdoor Store 38 North Ave 10am-2pm
  • Day of Registration and Bib pick up 7:30-8:30
  • Pre-Run Warm up at 8:45 by local gym
  • Opening Ceremony at 8:30. All encouraged to join us to support survivors and caregivers and learn how spending a few hours with us in the morning makes a difference in the lives of those touched by cancer.
  • Award and Closing Ceremony 11:00 AM
  • Event is held rain or shine.
  • This is an outdoor event. Bathrooms will be available at the school.
  • To promote event unity, all participants are encouraged to dress in purple attire (purple represents all types of cancer) or dress to support your loved ones cancer diagnosis (there’s a color for every type of cancer) to promote event unity. Prize will be awarded for best dressed!
  • Strollers, wheelchairs welcome, for safety sake strollers and wheelchairs should start in back of the pack
  • No bikes, scooters or pets please.

 Race Day Registration

$30.00 18 & over registration
$20.00 11 - 17 years old registration

 Awards

Best Dressed/ Most colorful to represent Cancer Awareness/ Race Unity

Top Fundraiser

1 Overall Male and 1 Overall Female Winner (excluded from age categories)

Top 2 each category - 8 winners male and female

10 and under
11-17
18-29
30-39
40-49
50-59
60-69
70+

 Questions?

For event related questions, please click on the Contact the Organizers button on the page.

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  • When this page loaded, the official time was 9:12:13 PM EDT.