Rome, Aug 3 (DPA) An astounding 43 world records were set at the World Swimming Championships that concluded at the Foro Italico here late Sunday.

July 26 (6 world records):

Sarah Sjostrom, Sweden, women’s 100m butterfly, 56.44 sec

Paul Biedermann, Germany, men’s 400m freestyle, 3:40.07 min

Ariana Kukors, US, women’s 200m individual medley, 2:07.03 min

Federica Pellegrini, Italy, women’s 400m freestyle, 3:59.15 min

Britta Steffen, Germany, women’s 100m freestyle, 52.22 sec (first leg of 4×100 freestyle relay)

Netherlands (Inge Dekker, Ranomi Kromowidjojo, Feemke Heemskerk, Marleen Veldhuis), women’s 4x100m freestyle relay, 3:31.72 min

July 27 (5 world records):

Brenton Rickard, Australia, men’s 100m breaststroke, 58.58 sec

Sarah Sjostrom, Sweden, women’s 100m butterfly, 56.06 sec

Rebecca Soni, US, women’s 100m breaststroke, 1:04.84 min

Anastasia Zueva, Russia, women’s 100m backstroke, 58.48 sec

Ariana Kukors, US, women’s 200m individual medley, 2:06.15 min

July 28 (4 world records):

Paul Biedermann, Germany, men’s 200m freestyle, 1:42.00 min

Gemma Spofforth, Britain, women’s 100m backstroke, 58.12 sec

Cameron van der Burgh, South Africa, men’s 100 breaststroke, 26.74 sec

Federica Pellegrini, Italy, women’s 200 freestyle, 1:53.67 min

July 29 (7 world records):

Mary Descenza, US, women’s 200m butterfly, 2:04.14 min

Daniel Samulski, Germany, women’s 50m backstroke, 27.39 sec

Anastasia Zueva, Russia, women’s 50m backstroke, 27.38 sec

Michael Phelps, US, men’s 200m butterfly, 1:51.51 min

Federica Pellegrini, Italy, women’s 200m freestyle, 1:52.98 min

Cameron van der Burgh, South Africa, men’s 50m breaststroke, 26.67 sec

Zhang Lin, China, men’s 800m freestyle, 7:32.12 min

July 30 (7 world records):

Ryan Lochte, US, men’s 200m individual medley, 1:54.10 min

Annamay Pierse, Canada, women’s 200m breaststroke, 2:20.12 min

Cesar Cielo Filho, Brazil, men’s 100m freestyle, 46.91 sec

Jessicah Schipper, Australia, women’s 200m butterfly, 2:03.41 min

Christian Sprenger, Australia, men’s 200 breaststroke, 2:07.31 min

Zhao Jing, China, women’s 50m backstroke, 27.06 sec

China (Yang Yu, Zhu Qian Wei, Liu Jing, Pang Jiaying), women’s 4x200m freestyle relay, 7:42.08 min

July 31 (6 world records)

Britta Steffen, Germany, women’s 100m freestyle, 52.07 sec

Aaron Peirsol, US, men’s 200m backstroke, 1:51.92 min

Marleen Veldhuis, Netherlands, women’s 50m butterfly, 25.28 sec

Therese Alshammar, Sweden, women’s 50m butterfly, 25.07 sec

Milorad Cavic, Serbia, men’s 100m butterfly, 50.01 sec

US (Michael Phelps, Ricky Berens, David Walters, Ryan Lochte), men’s 200m freestyle relay, 6:58.55 min

Aug 1 (4 world records)

Kirsty Coventry, Zimbabwe, women’s 200m backstroke, 2:04.81 min

Michael Phelps, US, men’s 100m butterfly, 49.82 sec

Liam Tancock, Britain, men’s 50m backstroke, 24.08 sec

China (Zhao Jing, Chen Huijia, Jiao Liuyang, Li Zhesi), women’s 4x100m medley relay, 3:52.19 min

Aug 3 (4 world records)

Liam Tancock, Britain, men’s 50m backstroke, 24.04 sec

Yuliya Efimova, Russia, women’s 50m breaststroke, 30.09 sec

Britta Stefen, Germany, women’s 50m freestyle, 23.72 sec

US (Michael Phelps, Eric Shanteau, Aaron Peirsol, David Walters), men’s 4x100m medley relay, 3:27.28 min