Iwan Gwyn Thomas is a Welsh sprinter who represented Great Britain and Northern Ireland at the Olympic Games in the 400 metres, and Wales at the Commonwealth Games. Thomas is a former European, Commonwealth Games and World 4 × 400 metres relay champion.
Christine Ijeoma Ohuruogu, MBE is a British former track and field athlete who specialised in the 400 metres, the event for which she is an Olympic, World and Commonwealth champion. The Olympic champion in 2008, and silver medalist in 2012, she is a double World Champion, having won the 400 m at the 2007 and 2013 World Championships. She has also won six World championship medals in the women's 4 × 400 m relay as part of the Great Britain and Northern Ireland team and bronze Olympic medals in the women's 4 × 400 m relay at the 2008 Beijing Games and the 2016 Rio Games, her final Olympics. Ohuruogu shares with Merlene Ottey and Usain Bolt the record for medalling in most successive global championships – 9 – between the 2005 World Championships in Athletics and the 2016 Summer Olympics.
Martyn Joseph Rooney is an English sprinter who specialises in the 400 metres event. He reached the 400 m final at the 2008 Summer Olympics and won bronze in the 4×400 metres relay. A mainstay on the anchor leg of the Great Britain and England 4 x 400 metre relay teams, at the 2009 World Championships in Athletics he won a silver medal with the Great Britain relay team, and bronze in the 2015 and 2017 World Championships.
Amine Laâlou is a Moroccan track and field athlete, who specializes in middle-distance running. He has represented his country at the Summer Olympics on two occasions; in 2004 and 2008. He began his career as an 800 metres specialist and made his global debut at the 2003 World Championships in Athletics. He won medals at smaller international competitions, including the 2004 Pan Arab Games and 2005 Mediterranean Games. He reached his first global final at the 2007 World Championships, taking sixth, and was a semi-finalist at the 2008 Summer Olympics.
Mark Ashton Richardson is an English former athlete who competed mainly in the 400 metres and 4 x 400 metres relay for Great Britain and England. He won the gold medal in the 4 x 400 metres relay at the 1997 World Championships, and again in the same event at the 1998 European Championships. At the Olympic Games, he won relay silver and bronze medals in 1992 and 1996. In the individual event, Richardson's most significant international results were silver at the 1998 Commonwealth Games and bronze in the 1998 European Championships, in addition to three domestic championships gold medals between 1995 and 2002.
Amantle Montsho is a female sprinter from Botswana who specializes in the 400 metres. She represented her country at the 2004 and 2008 Summer Olympics, reaching the final at the latter edition. She was the first woman to represent Botswana at the Olympics. She has also competed at the World Championships in Athletics and the IAAF World Indoor Championships, and is the former World Champion over the 400m, winning in a personal best time of 49.56 in Daegu.
Andrew Steele is a British 400 metres and 4x400 m relay runner.
Evan George O'Hanlon, is an Australian Paralympic athlete, who competes mainly in category T38 sprint events. He has won five gold medals at two Paralympic Games – 2008 Beijing and 2012 London. He also represented Australia at the 2016 Rio Paralympics and 2020 Tokyo Paralympics, winning a silver medal and a bronze medal respectively. In winning the bronze medal in the Men's 100m T38 at the 2019 World Para Athletics Championships in Dubai, O'Hanlon became Australia's most successful male athlete with a disability. His bronze medal took him to 12 medals in five world championships – one more than four-time Paralympian Neil Fuller.
Tristan Thomas is an Australian track and field athlete specialising in the 400 metres hurdles.
Mandeep Kaur is an Indian athlete who mainly competes in the 400 meters. She competed at the 2008 Olympic Games, but failed to pass the first round. Mandeep Kaur won gold medals in the women's 4 x 400 metres relay events at the 2010 Commonwealth Games and the 2010 and 2014 Asian Games.
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.
Andrés Bayron Silva Lemos is a Uruguayan track athlete. He competed in the combined events on the youth and junior levels, but has since specialized in the 400 metres and 400 metres hurdles.
Nijel Carlos Amilfitano Amos is a Botswana middle-distance runner who competes in the 800 metres. He won the silver medal at the 2012 London Olympics, which was Botswana's first-ever Olympic medal. Amos claimed gold medals at the 2014 Commonwealth Games and 2015 All-Africa Games. At the African Championships in Athletics, he took golds in 2014, 2016 and 2018.
Zoe Buckman is an Australian runner who has competed nationally and internationally in the 400 metre, 800 metre, 1,500 metre and 5,000 metre events. She ran for the University of Oregon. She has also competed at the Junior World Championships, the Australian National Championships, the 2012 Summer Olympics, and the 2013 IAAF World Athletics Championships where she was a finalist in the Women's 1500 metres, the 2016 Olympics, the 2017 World Championships and 2018 Commonwealth Games.
Karsten Warholm is a Norwegian sprinter who competes in the 400 metres and 400 m hurdles. He is the 2020 Tokyo Olympic champion, silver medalist at the 2024 Paris Olympics, three-time world champion and world record holder in the latter event.
Matthew Hudson-Smith is a British track and field sprinter who specialises in the 400 metres. He holds, as of August 2024, the British and European record, running a personal best of 43.44 seconds for the distance at the 2024 Summer Olympics. He was the 2018 European Champion in 400 metres, and a member of the gold-winning teams in the 4 x 400 metre relay at the 2014 European Athletics Championships, with Great Britain and 2014 Commonwealth Games with England.
François Etoundi is a Cameroonian born Australian male weightlifter, competing in the 77 kg category and representing Australia at international competitions. He competed at world championships, most recently at the 2009 World Weightlifting Championships.
Anneliese Rubie is an Australian sprinter. Also known as Anneliese Rubie-Renshaw, she was a semi finalist at the 2016 Rio Olympics, and the 2015 World Championships in Beijing. She also ran in the semi-finals at the 2014 Commonwealth Games in Glasgow. She ran the second leg for the women's 4 × 400 m which made the Olympic final in 2016.
Luvo Manyonga is a South African track and field athlete who specialises in the long jump. He won the 2017 World Championship in London and the 2018 Commonwealth Games title in the Gold Coast, Australia. He was the Olympic silver medallist in 2016 in Rio de Janeiro.
Dominique Blake is a Jamaican track and field athlete. Blake won a gold medal at the 2010 Central American and Caribbean Games and was accidentally awarded a bronze medal at the 2012 Summer Olympics. She was banned for 4+1⁄2 years after testing positive for methylhexanamine and returned to athletic competition in 2017.
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