Federica Pellegrini, Italy, women's 200 freestyle, 1:53.67

Wednesday, July 29 (Seven 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

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

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

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

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

Thursday, July 30 (Seven world records):

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

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

Cesar Cielo Filho, Brazil, men's 100m freestyle, 46.91

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

Christian Sprenger, Australia, men's 200 breaststroke, 2:07.31

Zhao Jing, China, women's 50m backstroke, 227.06

China (Yang Yu, Zhu Qian Wei, Liu Jing, Pang Jiaying), women's 4x200m

freestyle relay, 7:42.08