Great Island 5K - 5K Run and Walk
External Event
Distance
3.1 mi
Pace
All paces
Terrain
Road
Difficulty
All Levels
About this run
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. We have the largest free raffle in New England, great food and a high quality race hat to the first 700 registered. We also offer 3 kids fun runs and a new playground to entertain the whole family All proceeds of the GI5K go to Charity. We hope you can join us for the 32nd Great Island 5K!
Typical conditions
For events around October 2026 in New Castle, NH, United States: Typical autumn conditions in this region — conditions can change quickly; confirm race-day guidance on the official page.
How to prepare
Most runners can prepare for a 5K with a few weeks of easy runs and one short faster session per week. Focus on consistency, not volume, and rest the day before race day.
Beginner's guide to your first 5KGetting there
This event is listed in New Castle, NH, United States. Confirm the exact start venue, parking, and transit options on the official registration page.
Registration is handled by the official event organizer
Know a local group? Host a community run in New Castle
