In 6 days · Sun, Oct 25, 2026
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Sunday, October 25th, 2026
Portsmouth High School, Portsmouth NH
Half
44–59°F · some rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2025
40–56°F
dry
2024
39–59°F
dry
2023
45–73°F
dry
2022
57–65°F
dry
2021
44–52°F
rain
2020
40–50°F
dry
2019
47–57°F
dry
2018
33–44°F
dry
2017
58–66°F
rain
2016
39–46°F
dry
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Race-day forecast · Sunday, Oct 25
Sunny · 39–60°F
Sunday, Oct 25starts near 39°F · 0% chance of rain · wind up to 8 mph
About this race
The Seacoast Half Marathon is one of the longest-running half marathons in coastal New Hampshire. 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.
Course map
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