SHANGHAI (Reuters) - Collated swimming medallists after the fourth day of pool competition on day 12 of the world swimming championships in Shanghai on Wednesday. Men 200m freestyle 1. Ryan Lochte (US) 2. Michael Phelps (US) 3. Paul Biedermann (Ger) 400m freestyle 1. Park Tae-hwan (S Korea) 2. Sun Yang (Chn) 3. Paul Biedermann (Ger) 800m freestyle 1. Sun Yang (Chn) 2. Ryan Cochrane (Can) 3. Gergo Kis (Hung) 100m backstroke 1. Camille Lacourt (Fra) 2. Jeremy Stravius (Fra) 3. Ryosuke Irie (Japn) 50m breaststroke 1. Felipe Franca Da Silva (Brail) 2. Fabio Scozzoli (Ita) 3. Cameron Van Der (S Africa) 100m breaststroke 1. Alexander Dale Oen (Nor) 2. Fabio Scozzoli (Ita) 3. Cameron van der (S Africa) 50m butterfly 1. Cesar Cielo (Bra) 2. Matthew Targett (Aus) 3. Geoff Huegill (Aus) 200m butterfly 1. Michael Phelps (US) 2. Takeshi Matsuda (Jap) 3. Wu Peng (Chn) 4x100m freestyle relay 1. Australia 2. France 3. United States Women 200m freestyle 1. Federica Pellegrini (Ita) 2. Kylie Palmer (Aus) 3. Camille Muffat (Fra) 400m freestyle 1. Federica Pellegrini (Ita) 2. Rebecca Adlington (GB) 3. Camille Muffat (Fra) 1500m freestyle 1. Lotte Friis (Den) 2. Kate Ziegler (US) 3. Li Xuanxu (Chn) 100m backstroke 1. Zhao Jing (Chn) 2. Anastasia Zueva (Rus) 3. Natalie Coughlin (US) 100m breaststroke 1. Rebecca Soni (US) 2. Leisel Jones (Aus) 3. Ji Liping (Chn) 100m butterfly 1. Dana Vollmer (US) 2. Alicia Coutts (Aus) 3. Lu Ying (Chn) 200m individual medley 1. Ye Shiwen (Chn) 2. Alicia Coutts (Aus) 3. Ariana Kukors (US) 4x100m freestyle relay 1. Netherlands 2. US 3. Germany