Experience the Half Distance Triathlon in Salem Oregon, a perfect blend of speed, scenic views, and race-friendly conditions. Swim: Kick off your triathlon with a 1.2-mile downriver swim in the Willamette River. Starting from Minto Brown Island Park, the river’s current helps you move faster, guiding you to Riverfront Park for a smooth finish. Average water temperature: 65°F (18°C). Bike: The 56-mile bike course is designed for speed, with its flat, fast out-and-back route through the valley. ...