Chatham Harbor Run
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Chatham Harbor Run - June 28, 2026
The 45th Chatham Harbor Run takes place on June 28, 2026 at Monomoy Middle School, 425 Crowell Rd, Chatham, MA. The event is organized by the Cape Cod Athletic Club and is held on a USATF-certified course with USATF sanctioning.
There are two main event formats:
- 10 km (6.2 Miles) individual 10k with options for a race t-shirt
- 10 km relay (6.2 Miles) team relay limited to 40 teams; transition access by bus only
Finisher medals will be issued. Awards include first place overall male and female, first place in age groups male and female, and an award to the running club with the most participants for each race. Summer race awards are announced near the finish line; the fall race awards are presented in the school Big Gym.
Pricing varies by age and t-shirt option. Combined registration for this summer 10k and the fall 10k offers a $10 saving and an additional medal when both races are registered at the same time. Deadlines apply for t-shirt orders for the summer and fall races. Visit the organization's website for the most recent information.
