Chrissie Wellington exploded onto the scene when she won the 2007 Ironman World Championship. On that day in Kailua-Kona, Hawaii, few could have predicted that this would be the first chapter of a remarkable career - one that would firmly place her among the legends of endurance sports.

He was possibly the greatest male distance runner of all time, yet few people know his name. Emil Zatopek left us with an incomparable legacy both as an athlete and as a human being.