Stunning swim by Singapore's Joseph Schooling, with a time of 50.83s - even better than the time (51.41s) posted in the heats. 50.83s is his personal best, a new national record, an Asian record and the world's fastest time so far this season for this event.
The Men's 100m Butterfly Final is on Friday, 12 Aug, 2212 hours (Brazil time) ie Sat, 13 Aug, 0912 hours (SG time).
