The winning margin was 0.18 seconds which as of 2024 remains the largest winning margin for the women's 100 metres at these games since the introduction of fully automatic timing.
Results
First round
The first round consisted of six heats, with qualification for the first three in each heat, and the six fastest losers overall. Nigeria's Blessing Okagbare was the fastest qualifier from the first round, at 11.20 seconds. After qualifying from the first round, Michelle-Lee Ahye of Trinidad and Tobago announced her withdrawal due to hamstring concerns.[2]