Titmus sets 400m freestyle world record

Adelaide, May 22: Olympic gold medalist Ariarne Titmus has broken the women’s 400-meter freestyle world record at the Australian swimming championships. Titmus finished in 3 minutes, 56.40 seconds in Sunday night’s final at the South Australian Aquatic Centre to improve on Katie Ledecky’s previous mark of 3:56.46 that the American set at the 2016 Rio Olympics. (AP)