Boston 5K Spring/Summer Series 2026 — Cambridge, MA

Date
April 30, 2026
Location
Cambridge, MA
Venue
5 Greenough Blvd
Start Time
5:30 PM
Entry Fee
$0.00
Events
Please click "Volunteer" in navigation above.
Register NowRegistration OpenOfficial Race Website

The Boston 5K Spring/Summer Series takes place at 5 Greenough Blvd in Cambridge, Massachusetts, offering a free entry point for runners looking to compete in spring and early summer. The event features a 5K distance and starts at 5:30 PM on April 30, 2026, making it accessible for those who work standard daytime hours. With no entry fee, this race removes financial barriers for local runners and visitors traveling to the Boston area for competition. The evening start time provides a practical option for athletes who want to race after work or prefer cooler temperatures typical of late-day running.

From the Race Organizer
This page is only for signing up to volunteer. Please navigate to the volunteer section to view the various shifts available. Please find all other race info on our event page: Boston Spring Series . The Boston Spring/Summer Series is made possible each year thanks to the help of our wonderful volunteers. We greatly appreciate your support! As a volunteer, you'll assist with number pickup, venue setup, registration, bag check, water stops, marshaling, medals/awards, and cleanup. The Race: One of eight 5K Thursday evening runs from April through September to kick cancer's butt. Races on 4/30, 5/21, 6/4 and 6/18 start with a Women's 5K, followed by the open 5K. Everyone races together in the final four races of the series. All races are held at the American Legion Marsh Post #442 in Cambridge, MA, and run on paths along the Charles River. Each event will include a post-race party at the Marsh Post with beer generously provided by Mighty Squirrel. 100% of the event proceeds go to charity, including a portion to the American Legion Marsh Post. RACE Cancer Foundation’s Boston 5K Summer Series also provides funding for the Sunscreen Squad, bringing free sunscreen to outdoor events across Massachusetts.

Hotels Near This Race

Find accommodation close to the start line in Cambridge, MA. Sorted by distance from the race venue. Book early — race weekend hotels fill fast.

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Boston 5K Spring/Summer Series 2026 — Cambridge, MA

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Race Travel Insurance

Don't forget travel insurance for April 30.

You've trained for months and booked a trip to Cambridge, MA. A pre-race injury, a delayed flight, or a family emergency can derail the whole thing. Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it, and may cover medical costs if something goes wrong on the course. Plans typically only run 5-7% of your total trip cost — and running events are covered under standard plans with no additional coverage needed.

  • Trip cancellation up to 100% of prepaid costs
  • Running events covered under standard plans — no add-ons needed
  • Trip interruption up to 150% of non-refundable costs
  • Emergency medical up to $250,000
  • Cancel For Any Reason add-on available
  • 24/7 real-time support
Get a Quote — Faye Travel Insurance

Affiliate links — we may earn a commission at no cost to you. Coverage terms vary by state and plan. Review policy details before purchase.

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Frequently Asked Questions

When is Boston 5K Spring/Summer Series 2026 — Cambridge, MA?

Boston 5K Spring/Summer Series 2026 — Cambridge, MA takes place on April 30, 2026. The race is held in Cambridge, Massachusetts.

Where is Boston 5K Spring/Summer Series 2026 — Cambridge, MA held?

Boston 5K Spring/Summer Series 2026 — Cambridge, MA is held at 5 Greenough Blvd in Cambridge, Massachusetts.

Where can I find hotels near Boston 5K Spring/Summer Series 2026 — Cambridge, MA?

RaceHotelFinder shows hotels sorted by distance from the race venue in Cambridge. Use the map or list view on this page to compare options and book race weekend accommodation.