Half Distance Triathlon Washington Tri-Cities: Swim, Bike, Run SWIM Begin your 1.2-mile downstream swim in the iconic Columbia River, starting at Howard Amon Park near the Lee Boulevard Boat Dock. The point-to-point swim leads athletes to Columbia Point Park, where they’ll exit the water and head to transition in a grassy athletic field. With an average water temperature of 68°F (20°C), this course is spectator-friendly, featuring excellent views along the Riverfront Trail. BIKE The 56-mile ...