Overview
- The meet opens Sunday in Singapore with a field headlined by Olympic medalists and world-record holders.
- Teenager Summer McIntosh is the favorite in the 400m freestyle after lowering the world record to 3:54.18 at Canadian trials and aims to challenge Katie Ledecky in the 800m.
- Katie Ledecky enters the 800m freestyle as the world-record holder following her 8:04.12 swim in Florida in May and seeks a fifth world title in the event.
- China’s Pan Zhanle will defend his 100m freestyle crown against Romania’s David Popovici, who took bronze in Paris and aims for a second world 100m title.
- Leon Marchand has trimmed his program to the 200m and 400m individual medleys in a bid to hold both titles simultaneously while Sweden’s Sarah Sjostrom sits out ahead of her first child.