TOPSHOT-ATHLETICS-MARATHON-AUSTRIA-KENYA

TOPSHOT - Kenya's Eliud Kipchoge (white jersey), accompanied by pacemakers and a car in front of them setting the pace with laser beams, takes the start of his attempt to bust the mythical two-hour barrier for the marathon on October 12 2019 in Vienna, - Kipchoge holds the men's world record for the distance with a time of 2hr 01min 39sec, which he set in the flat Berlin marathon on September 16, 2018.He tried in May 2017 to break the two-hour barrier, running on the Monza National Autodrome racing circuit in Italy, failing narrowly in 2hr 00min 25sec. (Photo by ALEX HALADA / AFP) (Photo by ALEX HALADA/AFP via Getty Images)