2026 Market Square Day 10K

Race Information

The Market Square Day 10K course begins and ends in two of Portsmouth’s most historic areas.

The Market Square Day Festival allows you to run on closed major Downtown streets, with the start line in the heart of the city, Market Square. In one of the area's most breathtaking race scenes, runners and walkers make their way down Congress Street, lined with festive booths and cheering crowds. The course winds its way around town, giving participants a unique look at the city and, in particular, the people who embrace this race. Don’t be surprised to see neighborhood breakfast parties along the route! The finish line is on Marcy Street next to the Strawbery Banke Museum.

Run Pick of the Month – Maine Coast Marathon, Half and 5K

Run where the land meets the sea and experience the rugged beauty of New England in May 2026.

Use code MC15 to to score 15% off your registration!

The course is a runner’s paradise, winding past pristine white-sandy beaches and tranquil marshlands that offer breathtaking coastal views at every mile.

But the experience doesn't end at the finish line. Join the official after-party at Wells Harbor Community Park.

Celebrate your victory with delicious snacks, live music, and, for runners 21 and over, two complimentary beers! It’s the perfect way to toast your accomplishment by the water.

Sign up for the ultimate Maine Coast experience!

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