Mbulaeni Tongai Mulaudzi OIB was a South African middle distance runner, and the 2009 world champion in the men's 800 metres.
Jennifer Brenda "Jenny" Meadows is a retired British athlete. Her main event was the 800 metres, although she previously competed also over the 400 metres. She won the bronze medal at the 2009 World Championships, and a silver at the 2010 World Indoor Championships. At the European Athletics Championships, Meadows took silver outdoors in 2010 and gold indoors in 2011. She also had some international success as part of the Great Britain women's 4 x 400 metres relay squad.
Yuliya Krevsun is a Ukrainian middle-distance running athlete who specialises in the 800 metres. She is a member of Fenerbahçe Athletics club in Turkey.
The women's 800 metres at the 2009 World Championships in Athletics was held at the Olympic Stadium on 16, 17 and 19 August. The winning margin was 2.45 seconds which as of 2024 is the greatest winning margin in the women's 800 metres at these championships and the only time this event has been won by more than two seconds at these championships.
Mokgadi Caster Semenya OIB is a South African middle-distance runner and winner of two Olympic gold medals and three World Championships in the women's 800 metres. She first won gold at the World Championships in 2009 and went on to win at the 2016 Olympics and the 2017 World Championships, where she also won a bronze medal in the 1500 metres. After the doping disqualification of Mariya Savinova, she was also awarded gold medals for the 2011 World Championships and the 2012 Olympics.
The Women's 800 metres competition at the 2012 Summer Olympics in London, United Kingdom. The event was held at the Olympic Stadium on 8–11 August. The race was won by Mariya Savinova, but she has since been stripped of the gold medal for doping.
Melissa Bishop-Nriagu is a Canadian runner who specializes in the 800 metres. She competed at the 2012, 2016 Olympics and 2020 Olympics. She won a silver medal at the 2015 World Athletics Championships. Her World Championship medal was a Canadian woman's first-ever medal in the 800 m. Bishop-Nriagu graduated from University of Windsor and was only the third Canadian woman to achieve a time under 2:00 minutes in the 800 m. She is currently the national record holder for this distance.
Francine Niyonsaba is a Burundian runner who specialized in the 800 metres and shifted to longer distances in 2019. She was the 2016 Rio Olympics silver medalist in the women's 800 metres. Her silver medal was the first Olympic medal for Burundi since 1996. Niyonsaba won a silver in the event at the 2017 World Championships.
Ekaterina Guliyeva is a Russian-born track and field athlete who specializes in the 800 metres and competes for Turkey.
Madeleine Pape is an Australian sociologist and former middle-distance athlete.
Laura Muir is a Scottish middle- and long-distance runner. She is the 2020 Tokyo Olympic silver medallist in the 1500 metres, having previously finished seventh in the event at the 2016 Rio Olympics. Muir won the bronze medal at the 2022 World Championships, and has three other top five placings in 1500 m finals at the World Athletics Championships, finishing fifth in 2015, fourth in 2017 and fifth in 2019. She is a two-time European 1500 m champion from 2018 and 2022 as well as the 2022 Commonwealth Games 1500 m champion and 800 metres bronze medallist.
Dutee Chand is an Indian professional sprinter and current national champion in the women's 100 metres event. Chand is the first Indian to win a gold medal in 100 m race in a global competition, and in 2016 took part in the Rio Olympic Games. She is the third Indian woman to ever qualify for the Women's 100 metres event at the Summer Olympic Games. In 2018, Chand clinched silver in women's 100m at the Jakarta Asian Games. It was India's first medal in this event since 1998. Moreover, In 2019, she became the first Indian sprinter to win gold at the Universiade, clocking 11.32 seconds in the 100 m race.
Winnie Nanyondo is a Ugandan middle- and long-distance runner. She has represented her native country in several important international events, including both the 2016 Rio Olympics and 2020 Tokyo Olympics, the 2014 World University Cross Country Championships, the 2014 Commonwealth Games, the 2013 Summer Universiade, and the 2012 World Junior Championships in Athletics.
The women's 800 metres event at the 2016 Summer Olympics took place between 17–20 August at the Olympic Stadium.
Burundi competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's sixth consecutive appearance at the Summer Olympics.
Morgan Mitchell is an Australian athlete who specialized in the 400 metres and now competes in the 800 metres.
Halimah Nakaayi is a Ugandan middle-distance runner who specialises in the 800 metres. She is the 2019 World Champion at the event and won the bronze medal at the 2022 World Indoor Championships. Nakaayi is the current Ugandan record holder for the 800 m both outdoors and indoors, and also for the 1000 metres.
Anne Purvis is a Scottish former athlete who specialised in the 800 metres. She won a silver medal in the 800 metres at the 1982 Commonwealth Games and finished fourth in the 800m final at the 1986 Commonwealth Games. She also won the AAAs Championship title in 1980 and 1981, and the UK Championships title in 1982 and 1986.
The testosterone regulations in women's athletics are a series of policies first published in 2011 by the IAAF and last updated following a court victory against Caster Semenya in May 2019. The first version of the rules applied to all women with high testosterone, but the current version of the rules only apply to athletes with certain XY disorders of sexual development, and set a 5 nmol/L testosterone limit, which applies only to distances between 400 m and 1 mile (inclusive), other events being unrestricted.
Prudence Tebogo Sekgodiso, also spelled Prudence Sekgodisa, is a South African middle-distance runner specializing in the 800 metres. She was the gold medalist in the 800 m at the 2019 African U18 Championships. She is also a five-time South African Athletics Championships winner in the 1500 m and 800 m.
Great Britain 
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