Seacoast Half Marathon
Sun, Oct 25, 2026, 8:00 AM EDT
- Location
- Portsmouth, NH
- Portsmouth High School, 50 Andrew Jarvis Drive, 03801
- Featured distance
- 13.1 Miles
- Type
- RUN
Sign up and verify details on the organizer’s official page.
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Course feel, difficulty, and community fit are being added to this listing. Check back, and always confirm details on the official registration page.
At a glance
Perks & features
- Free
- Shirt
Free
ShirtFrom the public listing — confirm on the official site.
Auto-drafted from the public listing — confirm details on the official event page before signing up.
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Steady Effort
Steady Effortlonger distance
- Rolling area
Based on terrain, weather, and distance data.
The course
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From the organizer
The Seacoast Half Marathon is one of the longest-running half marathons in coastal New Hampshire. Join us for our 20th annual race on Sunday, October 26. This year's beneficiary is an amazing nonprofit dedicated to improving lives in the Greater Seacoast. So pick up your running shoes, gather your friends, and register for the feel-good race of the year. And consider going the extra mile for your neighbors in need by making a donation when you register. You can also set up your own fundraising page and get family and friends to help with your fundraising efforts. You can even use your donation/fundraising to earn free registration in the 2025 Seacoast Half Marathon!
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