Broadcaster Sophie Raworth doesn't shy away from a physical challenge. After taking up running in her forties, the BBC News at Six presenter has completed some of the most gruelling races in the world ...
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For 24 years, horses dominated the Man vs. Horse Marathon. Now, humans are starting to win
A horse can outrun a man. Everyone in the bar could agree on that. But at what distance, and under what conditions, would a human stand a chance? At what point are four legs no longer better than two?
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