Athletics - 400m hurdles women

Cabezas Caracas of Colombia in action during the Athletics - Women’s 400m Hurdles on Day 10 of the Buenos Aires 2018 Youth Olympic Games at the Athletics Field, Youth Olympic Park on October 16, 2018 in Buenos Aires, Argentina.

Sara Slott Petersen of Denmark celebrates winning silver in the Women's 400m Hurdles Final on Day 13 of the Rio 2016 Olympic Games at the Olympic Stadium on August 18, 2016 in Rio de Janeiro, Brazil.

Eilidh Doyle of Great Britain reacts after the Women's 400m Hurdles Final on Day 13 of the Rio 2016 Olympic Games at the Olympic Stadium on August 18, 2016 in Rio de Janeiro, Brazil.

Dalilah Muhammad of the United States competes on her way to winning gold in the Women's 400m Hurdles Final on Day 13 of the Rio 2016 Olympic Games at the Olympic Stadium on August 18, 2016 in Rio de Janeiro, Brazil.

Dalilah Muhammad of the United States celebrates winning gold in the Women's 400m Hurdles Final on Day 13 of the Rio 2016 Olympic Games at the Olympic Stadium on August 18, 2016 in Rio de Janeiro, Brazil.