Kylie Masse of Canada stormed to women's 100m backstroke gold in a new world-record time at the world aquatics championships in Budapest.Yesterday, the 21-year-old clocked 58.10 seconds, breaking Gemma Spofforth's previous mark of 58.12 seconds from the 2009 championships.Kathleen Baker of the United States took silver, at 0.48 seconds back, while Emily Seebohm of Australia brushed off a cold to claim bronze, 0.49 seconds behind.