Natalya Nikolayevna Antyukh is a Russian sprinter who specializes in the 400 metres and 400 metres hurdles. She won the bronze medal in the 400 metres and a silver for the 4 × 400 m relay at the 2004 Summer Olympics in Athens.
Zuzana Hejnová is a retired Czech athlete who specialised in the 400 metres hurdles. She won the silver medal in the event at the 2012 London Olympics. Hejnová is a two-time World Champion, having claimed titles at the 2013 and 2015 World Championships in Athletics. She won bronze at the 2012 European Championships and silver for the 400 metres at the 2017 European Indoor Championships.
Eilidh Doyle is a retired British track and field athlete. Originally running as Eilidh Child, she specialised in the 400 metres hurdles outdoors, and the 400 metres flat indoors, as well as the 4 x 400 metres relay on both surfaces. She represented Great Britain at the 2012 Olympic Games in London, and won an Olympic bronze medal in the 4 x 400 metres relay at the 2016 Games in Rio de Janeiro. Individually, she is the 2014 European Champion and a three-time Commonwealth silver medalist in the 400 metres hurdles.
Anna Kiełbasińska is a Polish sprinter who competed occasionally also in hurdling events. She won the bronze medal in the 400 metres as well as silver medals in the 4 x 100 m and 4 x 400 m relays at the 2022 European Championships. Kiełbasińska earned bronze for the 400 m at the 2023 European Indoor Championships. She won several major medals as part of Polish 4 x 400 m relay teams and also individual medals at European Under-20 and U23 Championships.
Justyna Święty-Ersetic is a Polish sprinter specialising in the 400 metres. She was the 2018 European champion and a two-time European Indoor Championship medallist in this event. Święty-Ersetic won many medals at major championships as part of Polish 4 × 400 m relays, including a gold in the mixed relay and a silver in the women's relay at the 2020 Tokyo Olympics.
Karsten Warholm is a Norwegian sprinter who competes in the 400 metres and 400 m hurdles. He is the 2020 Tokyo Olympic champion, a three-time world champion and the world record holder in the latter event.
Dalilah Muhammad is an American track and field athlete who specializes in the 400 meters hurdles. She is the 2016 Rio Olympics champion and 2020 Tokyo Olympics silver medalist, becoming at the latter the then-second-fastest woman of all time in the event with her personal best of 51.58 seconds. Muhammad was second at both the 2013 and 2017 World Championships to take her first gold in 2019, setting the former world record of 52.16 s. She was the second female 400 m hurdler in history, after Sally Gunnell, to have won the Olympic, World titles and broken the world record. At both the 2019 World Championships and Tokyo Games, she also took gold as part of women's 4 × 400 metres relay team.
Joanna Linkiewicz is a Polish athlete specialising in the 400 metres hurdles. She placed 8th at the 2014 European Championships to take a silver medal at the competition two years later.
The athletics competition at the 2015 European Youth Summer Olympic Festival was held at the Athletics Stadium of Tbilisi in Tbilisi, Georgia between 27 July and 1 August. A total of 36 events were held, evenly divided between the sexes, repeating the programme of the previous edition.
Sage Walker is a Canadian athlete specializing in the 400 metres hurdles. Competing internationally for Canada, she is the reigning Pan American champion in the 400 m hurdles, having also won Pan American medals in 2015 and 2019 as part of Canada's relay team.
Laviai Nielsen is a British sprinter specialising in the 400 metres. She won several medals as a member of the Great Britain 4x400 metres relay teams, including silver at the 2017 World Championships in the women's 4 x 400 metres, and at the 2023 World Championships in the mixed 4 x 400 metres, and bronze in the women's 4 x 400 metres at the 2022 World Championships.
Yasmin Giger is a Swiss athlete specialising in the 400 metres hurdles. She won a gold medal at the 2017 European U20 Championships. Currently, she is the national champion in both the 400 metres and the 400 metres hurdles.
Natalia Kaczmarek is a Polish athlete sprinter who specialises in the 400 metres. She won the silver medal in the event at the 2022 European Championships. Kaczmarek earned several global medals as part of 4 x 400 m relays, including gold in the mixed event and silver in the women's event at the 2020 Tokyo Olympics.
Alessandro Sibilio is an Italian sprinter and hurdler, who competes in the 400 metres hurdles and 400 metres. He won a gold medal at the 2018 IAAF World U20 Championships. He competed at the 2020 Summer Olympics, in 400 m hurdles.
Femke Bol is a Dutch track and field athlete who competes in hurdling and sprinting. She specialises in the 400 metres hurdles, where she is the 2023 World Champion, and in the 400 metres, where she is the 2024 World Indoor Champion and the short track world record holder. In the 4 × 400 metres relay, she is the 2023 World Champion and the 2024 World Indoor Champion with the Dutch women's team.
Jessie Knight is an English athlete specialising in the 400 metres hurdles.
Zoë Frederique Sedney is a Dutch athlete who competes in the hurdles, 100 metres, 200 metres, 400 metres and 4 × 100 metres relay. Sedney won two gold medals at the 2017 European Youth Summer Olympic Festival. As a senior in 2021, she competed in both the European Indoor Championships and the Summer Olympics. In 2022, she became part of the 4 × 100 metres Dutch relay team, competing together with her older sister Naomi Sedney.
Cyréna Samba-Mayela is a French athlete who competes in the 60 metres hurdles and 100 metres hurdles. She won the gold medal in the 60 m hurdles at the 2022 World Indoor Championships. She was a silver medalist at the 2024 World Athletics Indoor Championships where she lowered the current French national record to 7.73 seconds.
Elina Lampela is a Finnish athlete who competes in the pole vault.
Eveline Saalberg is a Dutch sprinter who specialises in the 400 metres.
