265 Wentworth Road, New Castle NH
Sunday, October 12th, 2025
Our 5K is held on one of the most beautiful courses in New England. It starts and finishes at the Great Island Common at the mouth of the Piscataqua River. The course runs through the scenic and historic roads of New Castle NH.
All proceeds of the GI5K go to Charity.
We hope you can join us for the 32nd Great Island 5K!
For more information, visit the official race website: Great Island 5K.
Course Map
Suggested Races
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