Salvatore "Tito" Morale is an Italian athlete who mainly competed in the 400-metre hurdles.
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.
Paolo Dal Molin is an Italian athlete competing in the 110 metres hurdles. He competed at the 2020 Summer Olympics, in 110 m hurdles.
Maria Benedicta Chigbolu is an Italian sprinter, who specializes in the 400 metres. She competed at the 2020 Summer Olympics, in 4 × 400 m relay.
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.
Wenda Nel is a South African athlete specialising in the 400 metres hurdles. She competed at the 2011 World Championships reaching the semifinals.
Janieve Russell is a Jamaican track and field athlete who competes mainly in the 400 metres hurdles and the 400 metres sprint. She won an Olympic bronze medal in the 4 × 400 m relay in Tokyo 2021, where she also finished fourth in the 400m hurdles final in a personal best of 53.08 secs. She is a four-time Commonwealth Games gold medallist, winning the 400m hurdles title in 2018 and 2022, and the 4 × 400 m relay in 2014 and 2018. She has also won two relay silvers at the World Championships and a relay gold at the World Indoor Championships.
Kendra "Keni" Harrison is an American hurdler. Harrison held the world record in the women's 100 metres hurdles with a time of 12.20 seconds, set on July 22, 2016 at the London Müller Anniversary Games, breaking the previous world record of 12.21 seconds achieved nearly 28 years earlier by Bulgarian athlete Yordanka Donkova.
Nadine Visser is a Dutch track and field athlete who competed in the combined events until 2017 and specialises in short hurdling since 2018.
Sage Watson 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.
Ayomide Temilade Oluwatoyosi Folorunso is an Italian athlete specialising in the 400 metres hurdles. She competed in the 4 × 400 metres relay at the 2015 World Championships in Beijing.
Hassane Fofana is an Italian athlete specialising in the high hurdles. He is of Ivorian descent. He competed at the 2020 Summer Olympics, in 110 m hurdles.
Elisa Maria Di Lazzaro is an Italian hurdler, who participated at the 2018 World Indoor Championships in Athletics. She competed at the 2020 Summer Olympics, in 100 m hurdles.
Luminosa Bogliolo is an Italian hurdler who won a gold medal at the 2019 Summer Universiade and a silver medal at the 2018 Mediterranean Games.
Alessandro Sibilio is an Italian 400 metres hurdles and 400 metres dash, who 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 specialises in the 400 metres hurdles and 400 metres.
Linda Olivieri is an Italian hurdler who competed at the 2019 World Athletics Championships. She competed at the 2020 Summer Olympics, in 400 m hurdles.
Anna Cockrell is an American track and field athlete competing in sprinting and hurdling. She is a two-time medalist at the 2019 Pan American Games in Lima, Peru and she represented the United States at the 2020 Summer Olympics in Tokyo, Japan.
Alice Mangione is an Italian sprinter, specialising in the 400 metres. She competed at the 2020 Summer Olympics, in 4 × 400 m relay and 4 × 400 m mixed relay.
Eleonora Marchiando is an Italian athlete. She competed in the women's 400 metres event at the 2021 European Athletics Indoor Championships. She competed at the 2020 Summer Olympics, in 400 m hurdles.
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