By Wesley Botton for the IAAF
“I am very happy to win this gold medal for my country,” said Ay, who had clocked a personal best of 11.57 in the semifinals.
“I thank my coach very much for his guidance. I am now motivated to train harder and win many medals.”
Jamaica’s Kevona Davis, the world U18 leader this year who set the fastest time in the penultimate round (11.45), had to settle for the bronze medal in 11.67 in a blanket finish. She left the track on the stretcher after seemingly sustaining an injury in the final few strides of the race.
Lorraine Martins of Brazil, who boasted the second quickest career best in the line-up, missed out on a podium place. She ended fourth in 11.80.
The first five athletes in the 100m final, including Slovenia’s Tami Scancar (11.91), will turn out again in the 200m heats on Friday morning.