Train with Purpose: Prepare for the Oregon Half Distance Triathlon with a Targeted Six-Month Plan The Oregon Half Distance Triathlon features a fast, scenic, and athlete-friendly course ideal for strong performances. A 1.2-mile swim in the current-assisted Willamette River offers a speed advantage, followed by a 56-mile bike ride through rolling hills and rural roads along the river. The 13.1-mile run is flat and scenic, winding through shaded nature preserves and open river trails. With ...