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.
Ku wa Gatandatu, mu gihe ubushyuhe bwagabanutse bukagera kuri dogere selisiyusi 30, abasiganwa ku maguru batangiye gutsinda Bolt ufite rekodi ku isi.