Canada's Andre De Grasse, who won bronze in the 100m in Rio five years ago, will be looking to go for the title this time around while South African sprinter Akani Simbine, fifth in Brazil and boasting the second-fastest time of the year, will also be in the running.
Umunyakanada Andre De Grasse wegukanye umuringa mu kwiruka muri  metero 100 i Rio mu myaka itanu ishize, arashaka kujya guhatanira  igikombe kuri iyi nshuro mu gihe umukinnyi wo muri Afurika y'Epfo Akani Simbine, uwa Gatanu muri Berezile kandi we azahatana ku nshuro ya kabiri ariruka  cyane yabaye uwa mbere umwaka wose.