Preparing for the World's Toughest Race

The lack of water and the difficulties of running on sand are amongst the problems James Cracknell experienced in the Marathon De Sables, considered by some ot be the world's toughest race. UNSTOPPABLE? THE JAMES CRACKNELL TRIOLOGY Three Films About One Mans Endurance Thursdays at 9pm from 24th March - Discovery UK For more info go to: http://www.discoveryuk.com/the-loop/t...               Watch Discovery UK on SkyQ and Sky+ 125, Sky Glass & Stream 138, Sky Scotland 126, Sky ROI 125, Sky Glass & Stream ROI 134, Virgin Media 177.