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Jamaco River Run

Sat June 15, 2024 Merrimac, MA 01860 US Directions
Countdown to Race Day


$5 discount for 16 & Under

5K (3.1 miles) Run/Walk

$25 10:00AM EDT Price increases after May 31, 2024 at 11:59pm EDT

Kids 1K Fun Run (7 and Under)

$20 9:00AM EDT Registration ends June 15, 2024 at 9:30am EDT
Open to ages 7 and under.

Race Website

Additional race information can be found at


Waterhouse Field
74 East Main Street
Merrimac, MA US 01860


The 7th annual Jamaco River Run and Post-Race celebration will be held once again on Saturday, June 15, 2024.  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 live music, a craft beer tent, burgers and dogs, homemade ice-cream, 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, a swag bag, and a free beer (21+).  Don't miss this lively event that has been previously voted "Best of the North Shore" while helping to raise money for local youth sports!  Sign up today!  

Refer Friends and Family

When you sign up for the Jamaco River Run you’re eligible to earn a cash reward when you refer friends and family to sign up. 

Invite them to compete with you to complete the distance first or along with you.

Follow these simple steps...

  • Sign up for the Jamaco River Run.
  • You’ll receive a unique referral link in your confirmation email.
  • Share the link with your friends, family or post on social media. 
  • Each time someone signs up through your link, you'll accrue one referral. 
  • Earn five referrals and get $20 credited back to you. Easy right?!?!

Race Contact Info

If you have any questions about this race, click the button below.



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