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Ledecky Extends 800m Free Dominance as Meet Ends with Relay World Record

Her championship-record victory capped a Singapore meet defined by McIntosh’s four golds, Marchand’s medley crown, a US women’s medley relay record.

Swimming - World Aquatics Championships - Men 400m Medley - World Aquatics Championships Arena, Singapore - August 3, 2025 France's Leon Marchand in action during heat 4 REUTERS/Tingshu Wang
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Overview

  • Katie Ledecky clocked a championship-record 8:05.62 to win her seventh world title in the 800m freestyle, extending her global finals unbeaten streak in the event to 11-0.
  • Summer McIntosh secured her fourth gold medal with a meet-record 4:25.78 in the women’s 400m individual medley and finished the championships with four golds and a bronze.
  • Leon Marchand powered to victory in the men’s 400m individual medley in 4:04.73, more than three seconds clear of his nearest rival to claim his second gold of the meet.
  • The US women’s 4×100m medley relay team shattered their own world record with a 3:49.34 performance, breaking the previous mark set in Paris last year.
  • Team USA overcame a mid-meet gastroenteritis outbreak to top the medal standings with nine golds, showcasing depth and resilience across the eight-day championships.