The 16-year-old smashed the former record of 27.25sec set by Haley Cope of the United States in Indianapolis on March 17 last year.
Leading results Sunday
Men’s 100m freestyle: 1. Denis Pimankov (Russia) 48.29 seconds; 2. Edvaldo Silvia Filho (Brazil) 49.60; 3. Kyle Smerdon (Canada) 50.04
50m breatstroke: 1. Roman Slodnov (Russia) 26.90; 2. Oleg Lisogor (Ukraine) 27.33; 3. Da Quing Yu (China) 27.77
400m individiual medley: 1. James Goddard (Britain) 4:16.88; 2. Zi Qiang Li (China) 4:18.33; 3. Jirka Letzin (Germany) 4:19.31
100m backstroke: 1. Gordan Kozulj (Croatia) 54.25; 2. Rui Yu (China) 54.45; 3. Michael Gilliam (U.S.) 54.63
200m butterfly: 1. Hong Wei Wang (China) 1:56.69; 2. Si Hua Wang (China) 1:58.99; 3. Mateus Lordelo (Brazil) 2:01.00
400m freestyle: 1. Zhi Xiang Ji (China) 3:51.17; 2. Shi Bin Zheng (China) 3:51.28; 3. Bin Ying (China) 3:51.38
200m breaststroke: 1. Roman Sludnov (Russia) 2:09.75; 2. Jim Piper (Australia) 2:10.24; 3. Hao Cheng (China) 2:11.68
50m butterfly: 1. Qiang Zhang (China) 24.10; 2. Chen Gu (China) 24.51; 3. Denis Pimankov (Russia) 24.62
100m individual medley: 1. Oleg Lisogor (Ukraine) 55.47; 2. Lei Chen (China) 55.80; 3. Jirka Letzin (Germany) 56.15
Women’s 200m freestyle: 1. Yu Yang (China) 1:56.42; 2. Jie Lei Ju (China) 1:58.16; 3. Claudia Poll (Costa Rica) 1:58.20
100m breaststroke: 1. Xue Juan Luo (China) 1:06.22; 2. Hui Qi (China) 1:06.95; 3. Emma Igelstrom (Sweden) 1:08.12
100m butterfly: 1. Martina Moracova (Slovakia) 57.74; 2. Johanna Sjoberg (Sweden) 58.50; 3. JIng Jing Sui (China) 59.66
50m backstroke: 1. Hui Li (China) 26.83 (world record); 2. Shu Zhan (China) 27.82; 3. Chang Gao (China) 28.00
200m individual medley: 1. Hui Qi (China) 2:11.52; 2. Wei Hui Shi (China) 2:12.68; 3. Tian Ruan (China) 2:13.04
50m freestyle: 1. Xiao Wei Zhou (China) 24.92; 2. Johanna Sjoberg (Sweden) 25.06; 3. Martina Moracova (Slovakia) 25.14
200m backstroke: 1. Wei Ya Ma (China) 2:10.80; 2. Kelly Stefanyshyn (Canada) 2:12.32; 3. Wen Jing Zhou (China) 2:13.92
800m freestyle: 1. Chen Hua (China) 8:15.15 (world record); 2. Jing Zhi (China) 8:26.80; 3. Jing Zhen (China) 8:27.03.—AFP/Reuters