Thomas Schönlebe is a retired East German track and field athlete who competed in the 400 metres. He won the gold medal at the 1987 World Championships. In that race, he set a European record of 44.33 seconds which stood for 35 years before it was broken by Matthew Hudson-Smith in August 2023.
Matthew John "Matt" Elias is a retired Welsh athlete who specialised in the 400 metres sprint and 400 metres hurdles. During his international career he represented Great Britain. In 2003 he won a gold medal at the European Championships and at the 2004 Olympic Games in Athens he finished 5th in the 4 × 400 m relay, He is also a part of Super Schools.
Mark David Hylton is a former British 400 metres sprinter. Hylton won a silver medal in the relay at the 1996 Summer Olympics in Atlanta.
Pascal Mancini is a Swiss sprinter who specializes in the 100 metres.
Jan Balachowski is a retired Polish sprinter who specialized in the 400 metres.
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.
Jakub Krzewina is a Polish track and field sprinter who specialises in the 400 metres. A frequent competitor for Poland in the 4×400 metres relay, he has won two medals at the European Athletics Championships and reached the final at the 2016 Summer Olympics. He was also a relay silver medallist with Europe at the 2014 IAAF Continental Cup.
Dylan Borlée is a Belgian sprinter who competes in the 400 metres. He is a member of the Borlée family.
René Gloor is a retired Swiss long jumper.
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.
Christopher O'Donnell is an Irish track and field athlete competing in sprinting events. He represented Ireland at the 2020 Summer Olympics in the Mixed 4 x 400m relay where he was part of the first ever Irish team to run in an Olympic final, and was also part of the team who reached the final of the 2022 and 2023 World Championships. He is the current Irish U20 record holder in the 400 metres, with a time of 46.54, set on 22 July 2017 at the European U20 Championships, where he finished 6th in the final. His personal best of 45.26 seconds sits joint-2nd on the Irish all-time list and he is a 5-time National 400m champion.
Dany Brand is a Swiss athlete specialising in the 400 metres hurdles. He won a silver medal at the 2017 European U23 Championships in a new national U23 record.
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.
Ricky Petrucciani is a Swiss sprinter specialising in the 400 metres. He won a gold medal at the 2021 European U23 Championships and a silver medal at the 2022 European Championships in the 400m category. He also reached the semifinals of the 2020 Olympics.
Alexander Doom is a Belgian sprinter specializing in the 400 metres. In 2024, he became the first male athlete to win the individual 400 metres and 4×400 metres relay at the same World Athletics Indoor Championships He has won several medals in international competitions with the Belgian 4 × 400 metres relay team and holds a personal best of 44.92 over the 400 metres.
William Reais is a Swiss sprinter competing primarily in the 200 metres. He competed in the 200 metres at the 2020 Summer Olympics. He also holds the Swiss national indoor record for the same event.
Israel Olatunde is an Irish professional track and field athlete specializing in the sprints. He competed at the 2022 World Athletics Indoor Championships, and reached the final of the 100 metres at the 2022 European Athletics Championships, the first Irishman ever to do so, and where he finished sixth in an Irish record time. He later broke the national record in the 60 metres in 2023.
Matěj Krsek is a Czech sprinter specialising in the 400 metres. He was a bronze medalist in the 4 × 400 metres mixed relay at the 2023 World Athletics Championships in Budapest. Ever since 2020, he has been the national champion in the 400 metres, earning the title four times consecutively.
Julien Bonvin is a Swiss sprinter who specialises in the 400 metres hurdles. He has been the national champion in the 400 metres hurdles ever since 2021, earning the title consecutively three times in a row. He is also the 2023 Swiss champion for the indoor 200 metres.
Mathias Hove Johansen is a Norwegian sprinter. He represents IL Skjalg, and was the 200 metres Norwegian Athletics Championships winner in 2019 and 2020.
