Register for the 14th Annual Great Bay Half Marathon and 5K

The 14th Annual Great Bay Half Marathon & 5k is returning to Newmarket, NH on Sunday, April 5, 2020 for another day of scenic New England running by the Great Bay estuary! Join thousands of runners and spectators at New Hampshire’s best spring road race, where you celebrate your finish with an after-party featuring Smuttynose craft beer and plenty of food!

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Price for Half Marathon and 5K will increase in 7 weeks.
Show full pricing schedule to see a detailed list of price increases.
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