The Great Bay Half Marathon, 10K & 5K is back on Sunday, April 7th, 2024. Runners traverse beautiful winding roads, the Great Bay estuary, and the historic downtown Newmarket, NH! Your reward: stylish swag, Smuttynose Brewing beers on us, and delicious healthy snacks!
Registration for 2024 Great Bay Half Marathon, 10K and 5K is currently closed.