When George agreed to sign up for his first ultramarathon with his friend Mark, he knew it would be tough. But he was not expecting knee-deep mud, torrential rain, 60mph wind and hail, all while trying to tackle one of the toughest stretches of coastline in the UK - the South West Coast Path. In the middle of the wettest winter since records began, George and Mark have to cope with treacherous cliffs, flooded trails, injuries, inverted waterfalls,...