Controversy over Nike's hyper-advanced Vaporfly shoes that some say give runners an unfair advantage boosts performance of some of the sportswear giants' rivals.
With a time of 1hr 59min 40.2sec, the Olympic champion became the first ever to run a marathon in under two hours in the Prater park with the course readied to make it as even as possible.
The feat by Eliud Kipchoge is the largest single improvement on the marathon world record since Derek Clayton improved the mark by 2:23 in 1967.
Olympic champion Eliud Kipchoge wins an enthralling Berlin Marathon, but misses out on his bid to set a new world record. Gladys Cherono wins the women’s race at 2:20:23.
The Rio Olympics ended in a blaze of colour with an exuberant closing ceremony on Sunday.
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