Preparing for the Half Distance Triathlon Oregon requires a training plan that aligns precisely with the unique demands of this race’s course, terrain, and typical race-day weather. The event features a 1.2-mile swim in the Willamette River, a 56-mile bike along rolling hills and flat country roads, and a 13.1-mile run through a nature preserve—all set in temperatures ranging from a comfortable 65°F swim to an 80°F run. Our Beginner’s Six-Month Half Distance Triathlon Training Plan is designed ...