265 Wentworth Road, New Castle NH
Sunday, October 12th, 2025
🏃♂️ Race Overview
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.
🎉 Exciting Events
- Raffle: We have the largest free raffle in New England.
- Food: Enjoy great food during the event.
- Race Hats: High quality race hats to the first 700 registered.
- Kids Runs: We also offer 3 kids fun runs and a new playground to entertain the whole family.
❤️ Charity Contribution
All proceeds of the GI5K go to Charity.
📅 Event Details
We hope you can join us for the 31st Great Island 5K on 2025-10-12 at 265 Wentworth Road, New Castle, NH.
For more information, visit the official race page: Great Island 5K Race.
Course Map
Coaching
Race Strong, Smart & Healthy with Online or In-Person Coaching!
Suggested Races
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