On Saturday, amid stifling temperatures that hovered above 30 degrees Celsius, sprinters took the track as they began their attempts to succeed world-record holder Bolt.
NgoMgqibelo, phakathi kwamaqondo obushushu angaphezulu ku-30, iimbaleki zangena ebaleni njengoko ziqala iinzame zokuphumelela uBolt ophethe irekhodi yehlabathi.