British swimmer Gemma Spofforth won the 100 metres backstroke world title in a world record of 58.12 seconds here on Tuesday. Spofforth beat home Russian Anastasia Zueva (58.18sec) while Australia's Emily Seebohm took bronze in 58.88sec. The Briton broke the previous mark of 58.48 set by Zueva in the semi-finals on Monday. Spofforth was second at the turn behind Zueva, but she surged past the Russian to get the victory by six-hundredths of a second. 