SINGAPORE – World Aquatics, in coordination with the Singapore 2025 Organising Committee, has postponed the Women’s 10km open water swimming event at the World Aquatics Championships – Singapore 2025, due to water quality levels exceeding acceptable thresholds.

The Women’s 10km event was originally scheduled to take place on 15 July 2025 at 8:00 a.m. Following a review involving representatives from World Aquatics, the Singapore 2025 Organising Committee, the World Aquatics Sports Medicine Committee, and the World Aquatics Open Water Swimming Technical Committee, the decision was made to postpone the race in the utmost interest of athlete safety.

While testing in recent days has consistently shown water quality at the venue to meet World Aquatics’ acceptable thresholds, analysis of samples taken on 13 July surpassed these thresholds. The decision to postpone racing was made in the best interests of athlete health and safety, which remains World Aquatics and the Singapore 2025 Organising Committee's top priority.

Subsequent water samples and water quality review sessions will continue to take place at the competition venue, during which World Aquatics and the Singapore 2025 Organising Committee will determine whether conditions are safe to proceed with the event on a later date.

The updated open water swimming schedule is as follows:

  • 16 July – Men’s 10km at 7:30SGT / Women’s 10km at 10:15SGT
  • 17 July – Regularly Scheduled Off Day
  • 18 July – Men’s and Women’s 5km
  • 19 July – Men’s and Women’s 3km Knockout Sprint
  • 20 July – Mixed 4x1500m Relay

World Aquatics regrets the inconvenience caused by the postponement and acknowledges the commitment and preparation of all athletes, coaches, and teams. The health and safety of participants remain the highest priority in all competition-related decisions.

 
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About World Aquatics

Driven by the vision of a world united by water for health, life and sport, World Aquatics is the international governing body for aquatic sports. Founded in 1908, World Aquatics is an independent organisation formed of 211 National Federations and five Continental Organisations.
   
World Aquatics oversees six aquatic sports – swimming, water polo, diving, artistic swimming, open water swimming and high diving – and is recognised as the leading global authority of these sports by the International Olympic Committee (IOC). For more information, please visit: www.worldaquatics.com.