World Swimming Championship Rome 2009 2009 | Ryosuke Irie | World Record | 152.86 | Men's 200m Backstroke | 10 May 2009 |
USA wins 4x100 medley relay with a world record 3:27.28 - Swimming Swimming World Championships Roma 2009 - Mens 50m freestyle final |
2009 FINA World Swimming Championships-Men's 50m Backstroke |
