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  • Distance: 5.9 km from Boston
    Sun, Jun 28, 2026 at 9:30 AM

    Starts and finishes in beautiful downtown Cambridge, Massachusetts

    Make it a summer stroll or an all-out sprint down Massachusetts Avenue. The course is fast and flat so you can get back to the finish line sooner!

    Registration fees:

    • $40 through 4/12

    • $42.50 from 4/13 through 5/17

    • $45 from 5/18 through 6/21

    • $50 from 6/22 through race day

    5kRun via RunSignup
  • 165 William J. Day Boulevard, Boston, Massachusetts, 01125, United States
    OpenStreetMap Google Maps
    Distance: 4.3 km from Boston
    Sat, Jul 18, 2026 at 9:30 AM

    Miles for Migraine will host its 9th annual 2-mile Walk, 5K Run and Relax Massachusetts event on Saturday July 18th at Carson Beach (Mother's Rest Area) in South Boston. This event is a fundraiser for Migraine & Headache Awareness, Treatment & Research. It's more than a walk/run - come connect with your local migraine & headache community, listen to our speakers & visit sponsors in the festival area.

    The 5K run is professionally timed. The Walk and the Relax events are free, but donations are encouraged. All walk and run finishers receive a finisher medal.

    Dress up in your best purple flair for a chance at a fun prize!

    Funds raised will benefit Miles for Migraine free programs & services.

    See full details
    2 Miles5kRunVirtualWalk via RaceRoster
  • Distance: 5.6 km from Boston
    Fri, Jul 24, 2026

    Experience the grit and glory of Boston, a city where athletic tradition is woven into the very cobblestones of its historic streets. From the legendary finish line of the Boston Marathon to the spirited atmosphere of its world-renowned sports culture, the "City of Champions" provides an electrifying backdrop for athletes ready to push their limits in one of America's most iconic hubs.

    The challenge unfolds at the Thomas Michael Menino Convention and Exhibition Center, a premier waterfront venue that offers a sprawling, high-energy arena for the ultimate indoor fitness race. Over three action-packed days, competitors will tackle the signature DEKA FIT course featuring 10 functional fitness zones paired with 5km of running. This event boasts a massive lineup including Elite and Age Group heats, Ruck waves, and high-intensity 2-Person and thrilling 4-Person team categories. For those seeking the pinnacle of endurance, Boston will also host the DEKA FIT Ultra, providing a grueling yet rewarding platform for athletes to cement their own legacy in this historic city.

    See full details
    5kIndoorRunSpartanUltra via Spartan Race
  • Distance: 5.3 km from Boston
    Sat, Sep 26, 2026 at 8:15 AM

    About This Event

    Please join us for the Annual Colin Joy Project 5K September, 27th 2025. We are so excited to be continuing Colin's Joy Project's mission and are here to welcome you all back for running. The day will begin with 2 youth races to start us off followed by a 5 km course along scenic South Boston beaches.

    After the race there will be light refreshments, and entertainment to go along with the awards. As well as some great raffle items and a pop up shop for Colin's Joy Project merch!

    Colin's Joy Project race shirt to be given to the first 250 registered 5K runners/walkers.

    Saturday, September 27th, 2025 (*permit pending)

    9:00a.m. – 5 km Race

    Youth Races:

    8:15 am. – 100 Meter Dash (9 years and under)

    8:30 a.m. – ½ Mile Race (14 years and under)

    • 5k open to all ages for the walk or run*

    5K Registration $30

    Youth registration $15

    Start and Finish:

    Course

    Fast and flat 5 km along scenic Castle Island and beaches of Day Boulevard

    Number Pick-Up

    There will be early bib pickup and merch pop-up on Friday September 26th from 5:30-7.

    Registration will be open at 7:30 am on race day for pick-up and same day sign ups

    Parking

    Parking is available along the adjacent streets and beach area. Resident parking is NOT in effect on Saturdays.

    T-shirts

    To the first 250 registered runners or walkers (but will be available for purchase day of)

    Refunds

    We appreciate and understand that unexpected circumstances present themselves constantly. However, if you have registered for the race and are unable to attend, we kindly request that your race fee be considered a donation to Colin's Joy Project. If this is not acceptable, please email [email protected] to arrange for a refund.

    About Colin's Joy Project:

    Colin McGrath was killed in 2018 after being struck by a car on his way home from a wonderful day in the park. His life was full of love, laughter, curiosity. Colin lived every minute of his life to the fullest. His laughing eyes, beautiful curls, hilarious voice, and sense of adventure will never be forgotten. His smile made everyone's heart happy.

    Since Colin's death, the McGrath family started a 501(c)(3) nonprofit organization called Colin's Joy Project. The mission of Colin's Joy Project is to enhance play spaces and sponsor children and family programming in the South Boston and surrounding communities.

    Colin's Joy Project has several active play space projects in development in South Boston inspired by Colin's Creativity Squad, an initiative that engages children in the community to design their own exciting, creative play spaces. Colin's Joy Project has also formed multiple community partnerships to which they have donated over $1.5M in the last 7 years! Through these partnerships, Colin's Joy Project fulfills their mission to bring joy to families the way Colin brought joy to all who knew him.

    A donation to Team Colin will support these long-lasting partnerships and future projects. Learn more about our work on our website www.colinsjoyproject.org, and follow us on Facebook and Instagram (@colinsjoyproject) for updates!

    See full details
    5kRunWalk via RunSignup
  • Distance: 9.3 km from Boston
    Sun, Sep 27, 2026 at 10:00 AM

    Who does the race benefit and who does it honor?

    Our race benefits the young girls of Cambridge. The Cambridge Girls Softball League and other girls' sports teams are the primary recipients of the funds from the race. These great organizations work on team building, athletic skills, and strengthen the connection among physical, mental and social well-being of girls. We've raised over $130,000 for girls' sports in Cambridge!

    Post-Race Block Party

    After the race there will a block party outside Paddy's until 7PM. Walden Street will be closed off to traffic and there will be a large beer garden, food trucks, and a DJ.

    Is the race sanctioned and timed?

    The 5K is USA Track and Field sanctioned and timed by RaceWire.

    Parking

    Parking will be available at Danehy Park.

    Number Pick-up

    Registration and number and shirt pick-up will be available Thursday, September 25 from 6pm - 9pm; Friday, September 26 from 4p-7p and Saturday, September 27 from 12p-4p. In addition, sign ups will be available on race morning, September 28, from 8am - 9:30am.

    T Shirts

    All Participants registered before September 5 will be guaranteed to receive a shirt.

    Registration Fee

    $40 through July 31, 2025 - includes a free gift!

    $30 for ages 17 and under

    $40 through September 26, 2025

    $30 for ages 17 and under

    $45 on Race Day - September 27, 2025

    $35 on Race Day for ages 17 and under

    ONLINE REGISTRATION

    Online registration ends on Wednesday, September 23 at midnight. Sign ups will be held at Paddy's Thursday, September 24 from 6pm - 9pm and Friday, September 25 from 4p-7p and Saturday, September 26 from 12p-4p. You can also sign up race day from 8:00a - 9:30a.

    See full details
    5kRunWalk via RaceRoster
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