New Castle 10K
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New Castle 10K - Waterfront Course
The New Castle 10K takes place on Sunday, April 25, 2027, at Great Island Common in New Castle, NH. The waterfront course passes the Portsmouth Shipyard, the naval prison, the Piscataqua River, lobster boats, sailboats, a lighthouse, and the Wentworth by the Sea Hotel and Marina, and crosses four bridges. The course has a time limit of 1 hour 45 minutes (17:00 minutes per mile).
Logistics include limited VIP parking adjacent to the registration area, general parking at Portsmouth High School with shuttle bus service to the start area, and a dedicated runner drop off and pick up at the Great Island Common driveway. No street parking is permitted on public streets in New Castle. Early bib and shirt pick-up is offered the day before the race at the Millennium Running retail store; race day pick-up is available at the registration tents at Race Day HQ. Gear check is provided at the registration area.
There are two water stops on course, located at about every two miles. Post-race refreshments include water, bananas, snacks and yogurt. Free digital race photos will be posted a few business days after the event, and finishers receive a finish line video link by email shortly after the race.
Awards are presented to the top three overall men and women by gun time and to the top three male and female in each five-year age group by net time. Race registration includes a race tee for the first 1,200 registrants, a finisher medal, free race photos, and a finish line video. A virtual option is available with limited schwag for early registrants; virtual results must be submitted by the Monday after the race and virtual participants earn miles toward the Elliot Millennium Series but do not earn Points Chase points. Visit the organization's website for the most recent information.
