A high-altitude marathon across a Kenyan wildlife conservancy, watched over by rangers and helicopters. Tough, dusty and for a great conservation cause.
Trail 42.2 km · trail
Run the ancient Inca Trail over high passes to a finish at the Sun Gate above Machu Picchu. One of the most extraordinary and difficult marathons in the world.
Trail 42.2 km · 2,400 m+
America's Ultimate Challenge, climbing from Manitou Springs to the 4,300 m summit of Pikes Peak and back. Thin air and relentless gradient make it a legend.
Trail 42.2 km · ultra option
One of the world's highest desert marathons, run above 4,000 m in the Atacama near the Andean volcanoes. Otherworldly, dusty and severe.