Series in which a group of twenty-something athletic adventurers from the UK and the USA compete for glory against tribal champions in some of the remotest corners of the globe, with the ultimate aim of being crowned the last man standing. In the mountains of west Mexico they run a marathon-length race against Tarahumara Indians, some of the greatest natural endurance runners in the world. They must wear local sandals and learn to kick a small wooden ball over a snake-infested canyon course. Show less