Aleksandr Usov (born 2 March 1976) is a Russian sprinter who specializes in the 400 metres.
Usov won the silver medal in 4 x 400 metres relay at the 2004 World Indoor Championships, together with teammates Dmitriy Forshev, Boris Gorban and Andrey Rudnitskiy. The next year, the relay team won the bronze medal at the European Indoor Championships with Andrey Polukeyev, Usov, Forshev and Aleksandr Broshchenko.
His personal best time is 46.28 seconds, achieved in May 2003 in Tula.
Andrzej Stanisław Badeński was a Polish sprinter who specialized in the 400 metres. He won a bronze medal in that event at the 1964 Summer Olympics, and won the gold medal in that event at the European Indoor Championships in 1968 and in 1971.
Tatyana Petrovna Alekseyeva is a former 400 metres sprinter from Novosibirsk, Russia. Her personal best result was 49.98. She retired from international competition after 1998. A three-time individual Russian national champion, she won 400 m silver medals at the IAAF World Indoor Championships and European Athletics Indoor Championships. With the Russian 4 × 400 metres relay team, she set an indoor world record to win gold at the 1997 IAAF World Indoor Championships and set the Russian record of 3:18.38 as silver medallist at the 1993 World Championships in Athletics.
Nicola Clare Sanders is a former British track and field sprinter. She began her career as a 400 metres hurdles specialist before concentrating on the 400 metres from 2006 onwards. Her 400 metres personal best is 49.65 seconds. She holds the British indoor record with 50.02 seconds, which ranks her as the fifth fastest woman of all-time indoors.
Aleksandr Borisovich Goremykin, also known as Aleksandr Sokolov, is a Soviet-Russian former track and field sprinter who specialized in the 200 metres. He competed at two editions of the World Championships in Athletics: first for the Soviet Union in 1991, where he placed eighth in the 200 m final and seventh in the 4 × 100 metres relay with the Soviet team, then at the 1995 World Championships in Athletics for Russia, where he ran in qualifying only individually and in the relay. He set his 200 m personal best at the 1991 championships, running 20.36 seconds in the quarter-finals.
Aleksandr Bratchikov is a former Soviet sprinter who specialized in the 200 and 400 metres.
Yuriy Zorin is a former Russian track and field athlete who participated in world athletics representing the Soviet Union in the late 1960s and 1970s. He specialized in the 400 metres hurdles with an eight place at the 1972 Summer Olympics and the 400 metres, winning a bronze medal in Vienna at the 1970 European Indoor Championships in Athletics. He also won a gold medal in the 4 × 200 m relay with fellow Russian athlete Aleksandr Bratchikov, among others.
Jan Werner was a Polish sprinter who specialized in the 200 and 400 metres.
Dmitriy Forshev is a Russian sprinter who specializes in the 400 metres.
Boris Aleksandrovich Gorban is a Russian athlete who ran in the 400 metres hurdles.
Andrey Petrovich Rudnitskiy is a Russian sprinter who specializes in the 400 metres.
Ruslan Mikhailovich Mashchenko is a retired hurdler and sprinter from Russia. He is best known for winning two silver medals at the European Athletics Championships during his career. Along with Aleksandr Ladeyshchikov, Boris Gorban, and Andrey Semyonov, he won a silver medal in the 4x400 m relay at the 2001 World Indoor Championships. He represented his native country in three consecutive Summer Olympics, and set his personal best in the men's 400 metres hurdles on 13 June 1998 in Helsinki, Finland.
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.
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.
Lisanne de Witte is a Dutch track and field athlete who competes in sprinting. She specialises in the 400 metres, where she held the Dutch record with her personal best time of 50.77 seconds from 2018 to 2021.
Jonathan Sacoor is a Belgian sprinter specialising in the 400 metres.
Aleksandr Ladeyshchikov is a Russian former sprinter. Along with Ruslan Mashchenko, Boris Gorban, and Andrey Semyonov, he won a silver medal in the 4 × 400 m relay at the 2001 IAAF World Indoor Championships, setting a national record for this event.
The 2002 Russian Indoor Athletics Championships was the 11th edition of the national championship in indoor track and field for Russia. It was held on 12–14 February at the VGAFK Stadium in Volgograd. A total of 28 events were contested over the three-day competition. It was used for selection of the Russian team for the 2002 European Athletics Indoor Championships.
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 44.15 over the 400 metres.
Eveline Saalberg is a Dutch sprinter who specialises in the 400 metres.