The Leadville 100 — Learning to Endure the Mountains Leadville, Colorado | 1983, 1984, 1988 In 1983, Ted lined up for one of the toughest endurance races in America — the Leadville 100. One hundred miles through the Colorado Rockies meant relentless climbs, icy stream crossings, thin air, and strict cut-off times. Runners who didn’t…