Federica Pellegrini wins his first gold medal of the World Swimming Championships . Phelps successfully defends his 200m butterfly title in a time of one minute 53.34 seconds 53.34 secs . China 's CNN takes silver while China 's Wu Peng won bronze . He won in a time of one minute 53.34 seconds to beat Japan 's Takeshi Matsuda , who had led with 50m to go , into second while China 's Wu Peng claimed the bronze medal . Federica Pellegrini adds women 's eight m freestyle to her 400m freestyle title .
Federica Pellegrini wins his first gold medal of the World Swimming Championships . Phelps successfully defends his 200m butterfly title in a time of one minute 53.34 seconds 53.34 secs . China 's CNN takes silver while China 's Wu Peng won bronze . Federica Pellegrini adds women 's eight m freestyle to her 400m freestyle title .