Jamaco River Run
About the Event
The 10th annual Jamaco River Run and Post-Race celebration will be held on Saturday, June 20, 2026. This is a fun, family-friendly day complete with a Kid's Fun Run, a USATF certified & sanctioned 5K road race, and a post-race event with music, a craft beer tent, burgers and dogs, activities for the kids, award ceremony and an amazing prize raffle. Registration & Bib Pickup will begin at 8am at Waterhouse Field (74 E. Main St, Merrimac, MA). Free parking is available on site. The Kids Fun Run kicks off at 9am followed by the 5K walk/run at 10am. The first 200 registrants receive a custom commemorative t-shirt, and a free beer (21+).
We are excited for 2026 to be our biggest turnout yet, and we once again look forward to giving back to our local community! Thank you for your support!
~ the Jamaco River Run Board of Directors
Join fellow runners on June 20, 2026 for the Jamaco River Run. It's a fantastic 5K, 1K featuring a flat and fast course in Merrimac.
Races Offered
Running
~5K (3.2 miles) Run/Walk
USATF Certified & Sanctioned
Kids 1K Fun Run (7 and Under)
About Merrimac
Jamaco River Run takes place in Merrimac, Massachusetts, United States. The local timezone is America/New_York.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
