A sub-two-hour marathon is not as fanciful as some might imagine | Sean Ingle

Kenya’s Eliud Kipchoge finished the Berlin Marathon in 2hr 1min 39sec on Sunday but advances in shoe technology, carbohydrate drinks and mindsets may close the gap furtherWhen Eliud Kipchoge woke to a dazzling Monday morning in Berlin he was greeted with global headlines lauding him as a “long-distance Usain Bolt” and “the fastest man in the world”. No wonder, given that he had just “pulverised” – as Marca put it – the marathon world record b