Half IRONMAN 70.3 Washington, nestled in the heart of Richland, Washington. Swim (1.2 miles): Embark on a spectacular journey with a downstream, point-to-point swim in the iconic Columbia River. Athletes will dive into the crystal-clear waters, starting 1.2 miles upstream from the transition area. The mighty river not only offers a refreshing challenge but also provides a breathtaking backdrop for this leg of the race. With an average water temperature of 68°F (20°C), competitors can expect a ...