Hannah Miley of Scotland celebrates after winning Women's 400m Individual Medley Final during day 1 of the Glasgow 2014 Commonwealth Games at Tollcross International Swimming Centre in Glasgow, Scotland on July 24, 2014. Hannah Miley claimed the title with a Commonwealth Games record time of 4:31.76. (Xinhua/Wang Lili)

Hannah Miley of Scotland celebrates with England's Aimee Wilmott after Women's 400m Individual Medley Final during day 1 of the Glasgow 2014 Commonwealth Games at Tollcross International Swimming Centre in Glasgow, Scotland on July 24, 2014. Hannah Miley claimed the title with a Commonwealth Games record time of 4:31.76. Aimee Wilmott took the silver with 4:33.01. (Xinhua/Wang Lili)

Hannah Miley of Scotland celebrates during the medal ceremony for Women's 400m Individual Medley Final during day 1 of the Glasgow 2014 Commonwealth Games at Tollcross International Swimming Centre in Glasgow, Scotland on July 24, 2014. Hannah Miley claimed the title with a Commonwealth Games record time of 4:31.76. (Xinhua/Wang Lili)

Hannah Miley of Scotland celebrates after winning Women's 400m Individual Medley Final during day 1 of the Glasgow 2014 Commonwealth Games at Tollcross International Swimming Centre in Glasgow, Scotland on July 24, 2014. Hannah Miley claimed the title with a Commonwealth Games record time of 4:31.76. (Xinhua/Wang Lili)

Hannah Miley of Scotland celebrates after winning Women's 400m Individual Medley Final during day 1 of the Glasgow 2014 Commonwealth Games at Tollcross International Swimming Centre in Glasgow, Scotland on July 24, 2014. Hannah Miley claimed the title with a Commonwealth Games record time of 4:31.76. (Xinhua/Wang Lili)

Hannah Miley of Scotland competes during Women's 400m Individual Medley Final during day 1 of the Glasgow 2014 Commonwealth Games at Tollcross International Swimming Centre in Glasgow, Scotland on July 24, 2014. Hannah Miley claimed the title with a Commonwealth Games record time of 4:31.76. (Xinhua/Wang Lili)

Hannah Miley of Scotland shows her gold after the medal ceremony for Women's 400m Individual Medley Final during day 1 of the Glasgow 2014 Commonwealth Games at Tollcross International Swimming Centre in Glasgow, Scotland on July 24, 2014. Hannah Miley claimed the title with a Commonwealth Games record time of 4:31.76. (Xinhua/Wang Lili)

Hannah Miley of Scotland competes during Women's 400m Individual Medley Final during day 1 of the Glasgow 2014 Commonwealth Games at Tollcross International Swimming Centre in Glasgow, Scotland on July 24, 2014. Hannah Miley claimed the title with a Commonwealth Games record time of 4:31.76. (Xinhua/Wang Lili)

Hannah Miley of Scotland shows her gold after the medal ceremony for Women's 400m Individual Medley Final during day 1 of the Glasgow 2014 Commonwealth Games at Tollcross International Swimming Centre in Glasgow, Scotland on July 24, 2014. Hannah Miley claimed the title with a Commonwealth Games record time of 4:31.76. (Xinhua/Wang Lili)