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World Records

Summer McIntosh Katie Ledecky 200m Individual Medley Individual Performances Individual Events Individual Achievements Individual Medley 400m Freestyle Léon Marchand Olympic Records

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.

McIntosh, Marchand and Popovici Sweep Golds on Day Five in Singapore

Cueva Twins’ Bronze Propels Mexico to Record Diving Haul in Singapore

Ledecky Claims 22nd World Title as Popovici and McKeown Strike Gold

McIntosh Claims Second World Title as 12-Year-Old Yu Impresses and Mexico Secures Diving Silvers

McIntosh Dominates 400 Free as Maertens and Australia Relay Teams Triumph on Opening Day

McIntosh and Ledecky Lead Field as World Aquatics Championships Open in Singapore

McIntosh Seeks Five Golds at Singapore World Championships

McIntosh Smashes Three World Records to Headline Canadian Team

Summer McIntosh Breaks Three World Records in Five Days

McIntosh Shatters Third World Record in Days at Canadian Swimming Trials

Summer McIntosh Breaks 200m IM World Record After 400m Freestyle Record

McIntosh Shatters 400m Freestyle Record, Poised for Ledecky Clash

Ledecky, Walsh and Finke Each Clinch Three Titles at U.S. Championships in Indianapolis

Ledecky Qualifies for Seventh World Championship as US Nationals Yield Record-Breaking Performances

Léon Marchand Qualifies for 400m IM at World Championships, Falls Short in 400m Freestyle

German Swimmers Shine with Record Performances at National Championships

Ledecky and Walsh Shatter Records at TYR Pro Swim Series

Ledecky, Walsh, and German Swimmers Shatter Records in Lead-Up to World Championships

Léon Marchand Secures Third Place in 400m Freestyle at Pro Swim Series