Register for the 2020 Big Lake Half Marathon

The 18th Annual Big Lake Half Marathon is returning to Alton, NH on Saturday, May 16, 2020 for another day of scenic New England running! Join thousands of runners and spectators at New Hampshire’s most scenic road race, where you celebrate your finish with an after-party featuring refreshing Smuttynose craft beer and plenty of food!

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Price for Half Marathon will increase in 8 weeks.
Show full pricing schedule to see a detailed list of price increases.
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