The women's 200 metres at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 8 and 10−11 August.
The women's 400 metres at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 6−7 and 9 August.
The women's 200 metres event at the 2020 Summer Olympics took place on 2 and 3 August 2021 at the Japan National Stadium. 41 athletes from 31 nations competed. In successfully defending her title, Elaine Thompson-Herah became the first woman in history to win both the 100 and 200 metres titles at successive games. Her winning time of 21.53 secs, moved her to second on the world all-time list behind Florence Griffith Joyner, and broke Merlene Ottey's 30-year-old Jamaican record. The winning margin was 0.28 seconds. Surprisingly, Thompson-Herah had the slowest reaction time in the final.
The women's 400 metres event at the 2020 Summer Olympics took place from 3 to 6 August 2021 at the Japan National Stadium. 45 athletes from 34 nations competed. Shaunae Miller-Uibo won the gold medal by 0.84 seconds in a personal best of 48.36 secs, a time which ranks her sixth on the world all-time list. In successfully defending her title, Miller-Uibo joined Marie-Jose Perec as the only women to win two Olympic 400 metres titles.
The women's 200 metres at the 2019 World Athletics Championships was held at the Khalifa International Stadium in Doha, Qatar, from 30 September to 2 October 2019.
The women's 400 metres at the 2019 World Athletics Championships was held at the Khalifa International Stadium in Doha, Qatar, from 30 September to 3 October 2019.
Lieke Klaver is a Dutch track and field athlete who competes in sprinting. She specializes in the 200 metres and in the 400 metres. In the 4 × 400 metres relay, she is the 2023 World Champion and the 2024 World Indoor Champion with the Dutch women's team and the 2024 Olympic Champion with the Dutch mixed team.
The women's 400 metres at the 2021 European Athletics Indoor Championships took place in three rounds at the Arena Toruń in Toruń, Poland, on 5 and 6 March 2021.
The women's 60 metres at the 2022 World Athletics Indoor Championships took place on 18 March 2022.
The men's 400 metres at the 2022 World Athletics Indoor Championships took place on 18 and 19 March 2022.
The women's 60 metres hurdles at the 2022 World Athletics Indoor Championships took place on 19 March 2022.
The men's 60 metres at the 2022 World Athletics Indoor Championships took place on 19 March 2022
The women's 800 metres at the 2022 World Athletics Indoor Championships took place on 19–20 March 2022.
The men's 60 metres hurdles at the 2022 World Athletics Indoor Championships took place on 20 March 2022.
The women's 4 × 400 metres relay at the 2022 World Athletics Indoor Championships took place on 20 March 2022.
The men's 400 metres hurdles at the 2022 World Athletics Championships was held at the Hayward Field in Eugene from 16 to 19 July 2022.
The women's 400 metres at the 2022 World Athletics Championships was held at the Hayward Field in Eugene, Oregon, U.S. from 17 to 22 July 2022.
The women's 400 metres hurdles at the 2022 World Athletics Championships was held at the Hayward Field in Eugene, Oregon, United States, from 19 to 22 July 2022. It was won by Sydney McLaughlin in a world record time of 50.68 seconds. The winning margin was 1.59 seconds which as of 2024 stands as the greatest winning margin for the women's 400 metres hurdles at these championships.
The women's 400 metres at the 2023 World Athletics Championships was held at the National Athletics Centre in Budapest, Hungary from 20 to 23 August 2023. The winning margin was 0.81 seconds which as of 2024 is the only time the women's 400 metres has been won by more than 0.7 seconds at these championships.
The women's 400 metres at the 2024 World Athletics Indoor Championships took place in three rounds at the Commonwealth Arena in Glasgow, Scotland, United Kingdom, on 1 and 2 March 2024. It was contested by twenty-four athletes from nineteen different nations.
