Dave Ryding’s success story reads like something out of a film. Born in Lancashire, he began skiing on a dry slope in the Pennines, practised in a shed made by his dad, didn’t compete in his first World Cup until his late twenties… and then, aged 35, became the first British competitor to win a World Cup gold in the event’s 56-year history. He is widely held to be one of, if not the greatest skier to ever have emerged from Britain. As well as his...