World records set at the swimming world championships

A list of the world records set at the Foro Italico in Rome by the end of Wednesday's events. The competition ends Sunday.

A list of the world records set at the Foro Italico in Rome by the end of Wednesday's events. The competition ends Sunday.

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Sunday July 26 (6 world records):

Sarah Sjostrom, Sweden, women's 100m butterfly, 56.44 seconds Paul Biedermann, Germany, men's 400m freestyle, 3:40.07 Ariana Kukors, US, women's 200m individual medley, 2:07.03 Federica Pellegrini, Italy, women's 400m freestyle, 3:59.15

Britta Steffen, Germany, women's 100m freestyle, 52.22 (first leg of 4x100 freestyle relay) Netherlands (Inge Dekker, Ranomi Kromowidjojo, Feemke Heemskerk, Marleen Veldhuis), women's 4x100m freestyle relay, 3:31.72

Monday, July 27 (5 world records):

Brenton Rickard, Australia, men's 100m breaststroke, 58.58 Sarah Sjostrom, Sweden, women's 100m butterfly, 56.06 Rebecca Soni, US, women's 100m breaststroke, 1:04.84

Anastasia Zueva, Russia, women's 100m backstroke, 58.48 Ariana Kukors, US, women's 200m individual medley, 2:06.15

Tuesday, July 28 (4 world records):

Paul Biedermann, Germany, men's 200m freestyle, 1:42.00 Gemma Spofforth, Britain, women's 100m backstroke, 58.12 Cameron van der Burgh, South Africa, men's 100 breaststroke, 26.74 Federica Pellegrini, Italy, women's 200 freestyle, 1:53.67

Wednesday, July 29 (7 world records):

Mary Descenza, US, women's 200m butterfly, 2:04.14 Daniel Samulski, Germany, women's 50m backstroke, 27.39 Anastasia Zueva, Russia, women's 50m backstroke, 27.38