RunRace USA › New Hampshire › Great Island 5K
Great Island 5K
New Castle, New Hampshire · Sunday, October 11, 2026 · 5K
Official race page & registration ↗Great Island 5K takes place on Sunday, October 11, 2026 in New Castle, New Hampshire. The race is run over 5K. For anyone travelling in, Boston is about 52 miles away.
It is one of 40 races on the New Hampshire calendar that October. At $10, entry sits below the $25 median for a New Hampshire 5K.
- Date
- Sunday, October 11, 2026
- Location
- New Castle, New Hampshire
- Distances
- 5K
- Entry fee
- from $10
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in New Castle: check in Oct 10, out Oct 12.
Common questions
When is Great Island 5K?
Great Island 5K is scheduled for Sunday, October 11, 2026.
Where is Great Island 5K held?
Great Island 5K is held in New Castle, New Hampshire. It is about 52 miles from Boston.
What distances does Great Island 5K offer?
The listed distances are 5K.
How much does Great Island 5K cost?
Entry is listed from $10. Check the official race page for the current price, which usually rises closer to race day.
How do I register for Great Island 5K?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Oct 11Fall Foliage Foot Races at Waterville Valley, NH - 2026 - 19th AnnualWaterville Valley, NH
- Oct 11Harvest Run 5K 2026Orange, NH
- Oct 11Vulcan's Fury Trail RaceNottingham, NH
- Oct 10Boys & Girls Club of Souhegan Valley 5KMilford, NH
- Oct 10Downriver Rail RunEnfield, NH
See every race on the New Hampshire calendar, New Hampshire 5Ks, or use the Race Finder for maps and filters.