Overall , Williams ranked 16th out of 26 athletes in the first round .
Williams ran 0.02 seconds faster than fifth - place finalist Kenji Narisako of Japan and 0.16 seconds slower than third - place finalist Mahau Suguimati of Brazil .
Williams ranked 16th out of 26 athletes in the first round .
Williams ran 0.02 seconds faster than fifth - place finalist Kenji Narisako of Japan and 0.16 seconds slower than third - place finalist Mahau Suguimati of Brazil .