She is the 2019 World Champion in the event with a personal best time of 48.14 seconds, thus becoming the first African woman to win the event at the World Championships.
Her personal best places her third on the 400 metres all-time top list, behind only Marita Koch (47.60) and Jarmila KratochvĂlová (47.99).
She was the gold medalist at the 2015 World Youth Championships in Athletics and the 2015 Military World Games and won the silver medal at the 2017 World Championships.
She is the gold medalist of 2018 Asian Games, held in Jakarta, Indonesia with games record of 50.09 seconds.