In 2004 Charley Boorman completed his astonishing round-the-world bike trip with his friend, Ewan McGregor. The journey left him exhausted, exhilarated and hungry for a new challenge. And what greater challenge than the Dakar rally? Beginning in Lisbon and ending in the Senegalese capital of Dakar, the rally covers 15,000 kilometres of treacherous terrain, and is widely regarded as the most dangerous race on earth. With his team-mates Simon Pavey...