Vida Nsiah of Ghana, Mercy Nku of Nigeria and Leonie Mani of Cameroon are through to the next round of the women's 100m event at the Sydney Games.
Nsiah achieved a third place in her first round heat, recording a time of 11.18 seconds, and a second in the next round, with a time of 11.19 seconds.
Nku came second in her first-round heat with a time of 11.41 seconds, and cut her time to 11.26 seconds in the second round to achieve a third place. Mani took third place in her second round with a time of 11.23 seconds, bettering her first-round time by 0.01 seconds.
However, Mercy Onyali-Omagbemi of Nigeria, with a time of 11.40 seconds, did not qualify in the second round.