Mezue nkebi ahịrịokwu a: N'egwuregwu ịgba ọsọ, Donovan Bailey nke Canada meriri n'ọsọ mita 100 nke ụmụ nwoke, na-esetịpụ ihe ndekọ ụwa ọhụrụ nke sekọnd 9.84 n'oge ahụ. O mekwara ka ndị otu ya nweta ọlaedo n'asọmpi
4 × 100 m relays.