Will Jacob Kiplimo be the first to run a marathon in less than two hours?

Hugh Brasher, the London Marathon race director, certainly thinks so but the Ugandan faces stiff competition from Eliud Kipchoge and Tamirat TolaEarlier this year Jacob Kiplimo produced a performance so staggering that it sent the jaws of even seasoned track and field watchers crashing to the floor. It came on the streets of Barcelona, where the 24-year-old Ugandan covered 13.1 miles in 56min 42sec – a half marathon time 48sec quicker than anyone else in history.Little more than two months