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

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