HALF IRON OCEANSIDE in California, where endurance meets the stunning vistas of the Pacific coastline. Swim: Begin your journey with a dive into the rolling start at Oceanside Harbor, navigating its pristine waters in a single counterclockwise loop. The average water temperature of 61°F / 16°C promises an invigorating challenge to kickstart your race. Bike: Embark on an exhilarating cycling adventure, starting from Oceanside Harbor and journeying through the iconic Camp Pendleton. The initial ...