Ledecky won with a time of 8:05.62, both a world championships record and the fourth fastest time in the history of the 800m free. Pallister wasn't far behind (8:05.98), with McIntosh claiming bronze (8:07.29).

Canadian swimming sensation Summer McIntosh won her third gold medal of the World Aquatics Championships in Singapore but fell agonizingly short of breaking the 200-meter butterfly world record.

The Canadian star challenged the all-time mark in the women's 200-meter butterfly and continued her perfect string of races in Singapore.