The 100-mile race starts in West Yellowstone and the 50-mile race starts at the halfway point of the 100-mile course, in Mesa Falls. This is a road race that primarily follows the beautiful Mesa Falls Scenic By-way from West Yellowstone, MT (near the entrance to Yellowstone National Park) Park to Teton Valley, Idaho and the town of Tetonia, ID . Panoramic views of the Grand Teton follow major portions of the course.
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.