New Castle 10K New Castle, NH   Apr 27, 2025

The locals will tell you that the “New Castle Loop” is almost a rite of passage to running on the Seacoast. Highlights of this race include stunning views of the Portsmouth Shipyard, the naval prison, the Piscataqua River, lobster boats, sailboats, the lighthouse, the Wentworth by the Sea Hotel and Marina as you cross over 4 bridges. This course is sure to be one of your favorites.