Konstantinos "Kostas" Kenteris, also spelled as Konstadinos "Costas" Kederis is a Greek former athlete. He won gold medals in the 200 metres at the 2000 Summer Olympics, the 2001 World Championships in Athletics and the 2002 European Championships in Athletics, making him the only European sprinter to win the gold medal in all three major competitions and the only European World Champion in the 200 metres races. Additionally, he has won two gold, three silver and two bronze medals in the European Cup, as well as three gold medals in the 200 metres at the Athens Grand Prix Tsiklitiria. He is also a 14-time golden medalist at the Greek Athletics Championships and a five-time golden medalist at the Greek Indoor Athletics Championships. He withdrew from the 2004 Summer Olympics, held in his home country, after a doping violation.
Antonio McKay Sr. is a former track and field athlete who specialized in the 400 meters.
The Unified Team at the 1992 Summer Olympics in Barcelona, Spain, was a joint team consisting of twelve of the fifteen former Soviet republics that chose to compete together. The previously Soviet-occupied states of Estonia, Latvia, and Lithuania competed separately. The team has been informally called the Commonwealth of Independent States team, though Georgia was not yet a member of the CIS when it competed as part of the Unified Team. It competed under the IOC country code EUN. A total of 475 competitors, 310 men and 165 women, took part in 234 events in 27 sports.
The 4th IAAF World Indoor Championships in Athletics were held at the Skydome in Toronto, Ontario, Canada from March 12 to March 14, 1993. It was the last Indoor Championships to feature the 5,000 and 3,000 metres race walk events. In addition, it was the first Indoor Championships to include heptathlon and pentathlon, albeit as non-championship events. There were a total number of 537 athletes participated from 93 countries.
Clement Chukwu is a former Nigerian athlete who specialized in the 200 and 400 metres.
Carlette Denise Guidry-Falkquay is an American former sprinter who won gold medals in the 4 x 100 metres relay at the 1992 Barcelona Olympics, the 1996 Atlanta Olympics and the 1995 World Championships in Gothenburg. Her individual results include winning the 100 metres title at the 1990 Goodwill Games and a bronze medal in the 60 metres at the 1995 World Indoor Championships.
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.
Vladimir Valeryevich Salnikov is a Russian former freestyle swimmer who set 12 world records in the 400, 800 and 1,500 metre events. Nicknamed the "Tsar of the Pool", "Monster of the Waves" and "Leningrad Express", he was the first person to swim under fifteen minutes in the 1500 m freestyle and also the first person to swim under eight minutes in the 800 m freestyle. He was named the Male World Swimmer of the Year in 1979 and 1982 by Swimming World.
Yuliya Aleksandrovna Gushchina is a Russian sprinter who specializes in the 200 metres.
Olga Vladimirovna Nazarova, born 1 June 1965) is a Russian former track and field athlete who competed mainly in the 400 metres. She represented the Soviet Union. She won two Olympic gold medals in the 4 × 400 metres relay, in 1988 and 1992. Her 1988 split time of 47.8, remains one of the fastest relay splits of all-time. She also won World Championship gold (1991) and silver (1987) in the relay, and a 1988 Olympic bronze medal in the 400 metres.
Yelena Ivanovna Ruzina is a retired athlete who competed mainly in the 400 metres. She represented the Soviet Union and later, Russia.
Lyudmyla Stanislavivna Dzhyhalova is a retired athlete who competed mainly in the 400 metres. She trained at Spartak in Kharkiv and represented the Soviet Union and the Unified Team.
Mariya Dzhumabaevna Pinigina is a former Olympic athlete who competed mainly in the 400 metres, training at Spartak in Kyiv. She represented the Soviet Union.
Olga Tereshkova is a Kazakhstani former sprinter who specialized in the 400 metres.
Aleksandra Andreyevna Fedoriva is a Russian track and field athlete who competes mainly in sprinting events.
Manjeet Kaur is an Indian sprint athlete from Punjab who specializes in 400 metres. She held the 400 m National record of 51.05 seconds set at the National Circuit Athletic Meet held in Chennai on 16 June 2004. She broke the previous record held by K. M. Beenamol since November 2001. In doing so, she passed the qualifying mark for the 2004 Athens Olympics. She along with Chitra K. Soman, Rajwinder Kaur and K. M. Beenamol form the team that holds the current National record in 4 x 400 metres relay.
The athletics competitions at the 2012 Olympic Games in London were held during the last 10 days of the Games, on 3–12 August. Track and field events took place at the Olympic Stadium in east London. The road events, however, started and finished on The Mall in central London.
Slobodan Branković is a Serbian former track and field athlete who specialised in the 400 metres. He is currently the general secretary of the Athletics Federation of Serbia.
The 4 × 400 metres relay at the Summer Olympics is the longest track relay event held at the multi-sport event. The men's relay has been present on the Olympic athletics programme since 1912 and the women's event has been continuously held since the 1972 Olympics. The inaugural and so far the only mixed 4 × 400 metres relay was held at the 2020 Olympics. It is the most prestigious 4×400 m relay race at elite level. At the 1908 Summer Olympics, a precursor to this event was held – the 1600 m medley relay. This event, with two legs of 200 m, one of 400 m, and a final leg of 800 m, was the first track relay in Olympic history.
Yelena Golesheva is a Russian-born female former track and field sprinter who competed for the Soviet Union and Russia, before obtaining Belgian citizenship. She has a personal best of 51.28 seconds for the 400 metres, set on 21 June 1989. She won a bronze medal in the 400 metres at the 1992 European Indoor Championships, and a silver medal at the 1993 World Championships in the 4 × 400 metres relay.
Soviet Union 
Unified Team 
Russia 
