Join us for our 20th anniversary race!

Join us for the 20th annual Seacoast Half Marathon on Sunday, October 26, 2025! Starting and finishing at Portsmouth High School, this scenic race takes you through the historic coastal communities of Rye and New Castle, offering stunning views of New Hampshire’s Seacoast. Every participant receives a long-sleeve race shirt and medal, and best of all, 100% of the net proceeds support a deserving Seacoast-area nonprofit!

Beat the May 1 price increase!

Registration now open!

2025 Beneficiary:

The Birchtree Center is a nonprofit organization that builds full and productive lives for individuals with behavior challenges, autism, and/or related disabilities.