Market Square Day 10K
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Market Square Day 10K
The Market Square Day 10K is a road race in Downtown Portsmouth held on June 13, 2026. The race covers a 10K distance and typically draws about 1,000 runners. The course winds through the streets of Portsmouth, starting in Market Square in front of the North Church and finishing at Strawbery Banke. Many downtown streets are closed for the Market Square Day Festival, which affects parking and access in the area.
Series and organizer
Since 2005 the race has been part of the Seacoast Road Race Series, a group of community races held from May through November. The Series includes races ranging from 5K to 10K and has expanded to seven races. The event is organized by Pro Portsmouth Inc., a 501(c)(3) nonprofit that focuses on events and community collaboration to support Portsmouth’s arts, culture, and history. The 2026 event lists sponsorship from local businesses and institutions, including hotels, a hospital, orthopaedics providers, a sporting goods store, and Strawbery Banke. Visit the organization's website for the most recent information.