Join us for the International Award-Winning San Diego Beach & Bay Half Marathon. Run through San Diegos most beautiful beaches, picturesque bays, iconic resorts, and must-see destinations, including Sea World, Belmont Park, Mission Beach, Pacific Beach, Sail Bay, and Crown Point. After you cross the finish line, the celebration begins with a bayside festival featuring live music, a craft beer garden, a vendor village and an awards ceremony for top finishers.