Great Island 5K
About this race
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!
Pick your distance
Running
5K Run and Walk
The first 700 registered runners/walkers will receive a special high quality race hat!
Walking
5K Race Walk
The first 700 registered runners/walkers will receive a special high quality race hat!
Typical race-day weather
Based on 6 years of historical conditions on this event's race dates in New Castle.
Course
Route map and elevation profile
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near New Castle
Different organizers, within 40 miles, in the next three months
18th Annual Celebrate Pink 5K Run & Walk
Seacoast Half Marathon
Wallis Sands Triathlon
Seacoast Cancer 5K Run/Walk
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 1 New Castle event
Spotted something wrong? Tell us and we'll fix it.