When is Seacoast Half Marathon?

Seacoast Half Marathon takes place on Oct 25, 2026. That's in 5 months.

Where is Seacoast Half Marathon located?

Seacoast Half Marathon is held in Portsmouth, New Hampshire, United States.

What distances are available at Seacoast Half Marathon?

Seacoast Half Marathon offers the following distances: 13.1M.

How do I register for Seacoast Half Marathon?

You can register for Seacoast Half Marathon through the official registration page.

What is the typical weather for Seacoast Half Marathon?

Based on historical data, you can expect temperatures between 38°F and 57°F on race day. There's approximately a 16% chance of precipitation.

Seacoast Half Marathon (13.1M) - Oct 25, 2026 | Portsmouth, NH

Prepare for a captivating autumn run at the Seacoast Half Marathon, set to take place on October 25, 2026, in the charming coastal city of Portsmouth, New Hampshire. This popular 13.1-mile event, one of the longest-running half marathons in coastal New Hampshire, offers runners a unique blend of scenic beauty and a supportive, community-focused atmosphere. Starting and finishing at Portsmouth High School, the course winds through the historic communities of Portsmouth, Rye, and New Castle, providing stunning views of woodlands, salt marshes, the rugged coastline, working waterways, and historic homes, all while offering glimpses of Portsmouth Harbor.

The Seacoast Half Marathon course is largely described as fast and mostly flat, featuring a few rolling hills that add a dynamic challenge without being overly demanding. With an elevation gain of around 381-400 feet, runners will encounter gentle rises and falls, with some noting the latter half can be the hilliest. Despite being an open course with traffic, volunteers and marshals are strategically placed to ensure runner safety, and mile markers and split clocks are provided at key intervals. Aid stations are well-stocked, with five liquid stations offering water and Gatorade approximately every two miles, complemented by portable restrooms near miles 2 and 8. Typical race day conditions in late October are ideal for running, with highs around 57F and lows around 38F, and a relatively low 16% chance of precipitation.

What truly sets the Seacoast Half Marathon apart is its deep commitment to charity; it stands as a purely local, purely charitable race, having raised nearly $2 million for worthy area nonprofits. Participants receive a long-sleeve race shirt and a finisher's medal, contributing to a "feel good race" experience. Runners consistently praise the varied and beautiful scenery, making it a highly recommended event for those seeking an engaging course and a chance to support local causes.