Course
Starts and finishes at Great Island Common in New Castle. The route runs the historic streets of the island with many corners, tracing the banks of the Piscataqua River and the Atlantic shoreline.
5K5 km
Key dates
- ★Race dayOctober 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
The Great Island 5K runs through New Castle, New Hampshire, a small coastal town built on an island off Portsmouth Harbor. The route passes historic homes and harbor views along the seacoast.
Your next race, seen from above.
Save Great Island 5K to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Great Island 5K to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.