James Cracknell takes on the Marathon Des Sables, a gruelling desert race in the Sahara. The race is considered to be the toughest on Earth; completing the equivalent of seven marathons in seven days and carrying all his food with him. ...See moreJames Cracknell takes on the Marathon Des Sables, a gruelling desert race in the Sahara. The race is considered to be the toughest on Earth; completing the equivalent of seven marathons in seven days and carrying all his food with him. Prior to the race, James investigates a scientific approach to training, acclimation and nutrition which involves a scientific evaluation against the Marathon Des Sables record holder.
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