Australia's Kaylee McKeown has broken the 50m backstroke world record to become the first woman to hold global benchmarks in the stroke over three distances.
(Reuters) - Australia's Kaylee McKeown said she did not expect to break the world record in the women's 50 metres backstroke after setting a new mark .
Australia’s Kaylee McKeown broke the women’s 50m backstroke world record on Friday to become the first person to simultaneously hold the 50m, 100m and 200m backstroke world records.