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Singapore World Aquatics Championships Open With Record Pursuits and Rivalries

Summer McIntosh’s world-record form in the 400m freestyle signals a week of pivotal races in women’s distance, men’s sprint, individual medley competitions.

Artistic Swimming - World Aquatics Championships - Team Acrobatic - Final - World Aquatics Championships Arena, Singapore - July 25, 2025 Team Japan perform during the final REUTERS/Claudia Greco
Paris 2024 Olympics - Swimming - Men's 200m Individual Medley Final - Paris La Defense Arena, Nanterre, France - August 02, 2024. Leon Marchand of France in action REUTERS/Marko Djurica/ File Photo
Artistic Swimming - World Aquatics Championships - Team Acrobatic - Final - World Aquatics Championships Arena, Singapore - July 25, 2025 Team Japan perform during the final REUTERS/Tingshu Wang
Jun 6, 2025; Indianapolis, Indiana, UNITED STATES; Katie Ledecky swims in the women’s 400 meter freestyle at the Toyota National Championships swimming meet at Indiana University Natatorium. Mandatory Credit: Robert Goddin-Imagn Images/ File Photo

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.