12 hr 18 min ago Australia's Ariarne Titmus stuns US' Katie Ledecky to win gold in women's 400m freestyle From CNN's Jacob Lev Australia's Ariarne Titmus competes in the 400m freestyle final on July 26. (Maddie Meyer/Getty Images) Ariarne Titmus of Australia has won gold in the women's 400m freestyle at the Tokyo Olympics, finishing with a time of 3:56:69. Titmus' time is the second fastest ever behind American Katie Ledecky's world record of 3:56:36. Ledecky, a five-time gold medalist, won silver with a time of 3:57:36, the fourth fastest time ever. Li Bingjie of China won bronze with a time of 4:01:08. Titmus' win gives Australia its second gold medal of the 2020 Tokyo Olympics and fifth medal overall.