Running Races in Merrimac, Massachusetts 2026 | Browse All Races

There are 2 running races in Merrimac, Massachusetts in 2026. The next is the Jamaco River Run on June 20. Distances include 5K races.

Sat, Jun 20 · Merrimac, MA Merrimac

Road ~5K (3.2 miles) Run/Walk

From $25 Open

Sun, Dec 13 · Merrimac, MA Merrimac

Road Santa's Toy Trot 2-mile, 4-mile, 6-mile Road Race (with toy)Santa's Toy Trot 2-mile, 4-mile, 6-mile Road Race (no toy)

From $40 Open

Running Races in Merrimac, Massachusetts — 2026