From wavelights to smart watches and supplements, how technology rules athletics world

Kenya's Eliud Kipchoge (white jersey) takes the start of his attempt to bust the mythical two-hour barrier for the marathon on October 12 2019 in Vienna. [AFP]

It is not only the revolutionary shoe that has been fashioned to propel an athlete to super-fast times.

From biosensors to wavelight and from smart sport watches to supplements, the debate on whether technology is giving some athletes an undue advantage continues to rage.