Aya Terakawa (seen here in November) qualified for the Olympics by winning the 100m backstroke in Tokyo
Japan's Aya Terakawa swims in the women's 100m backstroke final at the FINA Swimming World Cup short-course meet in Tokyo in November 2011. World 50-metre bronze medallist Terakawa set a new Japanese record to win the women's 100m backstroke and qualify for the London Olympics on Thursday.