The women's 400 metres at the 2004 Summer Olympics as part of the athletics program were held at the Athens Olympic Stadium from August 21 to 24.
The men's 400 metres hurdles at the 2004 Summer Olympics as part of the athletics program were held at the Athens Olympic Stadium from August 23 to 26. There were 35 competitors from 24 nations. The event was won by Félix Sánchez of the Dominican Republic, the nation's first medal in the men's 400 metres hurdles. Silver went to Danny McFarlane of Jamaica, returning to the podium in the event for the first time since 1992. Naman Keïta's bronze was France's first medal in the event in over 100 years; the last Frenchman to medal in the long hurdles was Henri Tauzin in 1900. The United States' five-Games gold medal streak ended; for only the second time in the history of the event, Americans competed but won no medals.
Vanuatu competed at the 2004 Summer Olympics in Athens, Greece, which was held from 13 to 29 August 2004. The nation's appearance at the 2004 Athens Games marked its fifth appearance at the Summer Olympics since its debut at the 1988 Summer Olympics.
Belize sent a delegation to compete at the 2004 Summer Olympics in Athens, Greece, from 13–29 August 2004. This was the Central American country's ninth appearance at a Summer Olympic Games. The delegation consisted of two track and field athletes: Michael Aguilar and Emma Wade; neither advanced beyond the first round of their events.
Togo competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. The country's participation at Athens marked its seventh appearance in the Summer Olympics since its debut at the 1972 Summer Games in Munich, West Germany. The delegation included two track and field athletes and a single canoeist; Jan Sekpona in the men's 800 metres, Sandrine Thiébaud-Kangni in the women's 400 metres, and Benjamin Boukpeti in the men's K-1. Both Sekpona and Thiébaud-Kangni were eliminated in the first round of their competitions, while Boukpeti progressed to the semi-finals.
Equatorial Guinea competed at the 2004 Summer Olympics in Athens, which was held from 13 to 29 August 2004. The country's participation at Athens marked its sixth appearance in the Summer Olympics since its début at the 1984 Summer Olympics. The delegation included two athletics competitors: Roberto Mandje and Emilia Mikue Ondo in the long and middle distance disciplines respectively. Mikue Ondo was selected as the flag bearer for the opening ceremony. Both athletes did not advance further than the first round of their respective events with Mandje failing to make the start of the men's 3000 metres steeplechase.
Somalia sent a delegation to compete at the 2000 Summer Olympics in Sydney, Australia from 15 September to 1 October 2000. This was the African country's fifth appearance at a Summer Olympic Games, following their debut twenty-eight years earlier at the 1972 Summer Olympics. The delegation consisted of two athletics competitors: Ibrahim Mohamed Aden and Safia Abukar Hussein, the latter was Somalia's first female Olympic athlete. Neither of the two participants progressed beyond the first round of their respective competitions.
The Republic of Upper Volta competed at the 1972 Summer Olympics in Munich, West Germany. This was the first and only time the country participated under that name at the Olympic Games. However, the first Upper Voltan athletes took part in the Olympics at the 1924 Games as part of the French contingent. André Bicaba was the only athlete representing Upper Volta in 1972, who participated in the men's 100 metres but did not progress past his heat. Upper Volta initially sought to send athletes to the 1976 Summer Olympics, but boycotted it with other Africa nations. By the time it returned to the Games in 1988, the nation was known as Burkina Faso.
The Gambia has sent athletes to every Summer Olympic Games held since 1984, although the country has never won an Olympic medal. The Gambia is yet to compete at the Winter Olympic Games.
Somalia first participated at the Olympic Games at the 1972 Summer Games in Munich, West Germany; the Somali Olympic Committee being recognised by the International Olympic Committee shortly prior. The nation has sent athletes to compete in most Summer Olympic Games since then, boycotting in 1976 due to the inclusion of New Zealand, and in 1980 when it joined with the American-led boycott. It also did not compete in 1992 due to the ongoing effects of a famine. Somalia entered their largest contingent of athletes at the 1984 Summer Olympics, a total of seven.
Swaziland sent a delegation to compete at the 2008 Summer Olympics held in Beijing, People's Republic of China from August 8–24, 2008. This was the Kingdom's eighth appearance at a Summer Olympic Games. The Swazi delegation to Beijing consisted of four competitors, two track and field athletes; Isaiah Msibi and Temalangeni Dlamini; and two swimmers; Luke Hall and Senele Dlamini. None of the four advanced beyond the first round of their respective events.
Chad sent a delegation of two athletes to compete at the 2008 Summer Olympics in Beijing, China: Moumi Sébergué, who competed in the men's 100 meters, and Hinikissia Albertine Ndikert, who competed in the women's 100 meters and also bore the Chadian flag during ceremonies. The appearance of this delegation marked the tenth appearance of Chad at the Summer Olympics, the first been in 1964 Summer Olympics in Tokyo, Japan, and its seventh appearance since its Olympic hiatus between 1976 and 1980. Both Sébergué and Ndikert ranked seventh in their respective heats and did not advance past the qualification round. As of the end of the 2012 London Olympics, there have been no medalists from Chad.
Chad competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. This marked the nation's eleventh appearance at the Summer Olympics since its debut in the 1964 Summer Olympics. The Chadian delegation included track and field athlete Hinikissia Ndikert and judoka Carine Ngarlemdana. Ngarlemdana was the flag bearer for the opening ceremony and Ndikert was the flag bearer for the closing ceremony. Neither of Chad's athletes progressed beyond the first round of their events. Chad was one of only two countries to have a female-only team at the 2012 games.
Comoros competed at the 2012 Summer Olympics in London, England, which was held from 27 July to 12 August 2012. The country's participation at London marked its fifth appearance in the Summer Olympics since its début at the 1996 Summer Olympics. The delegation included two track and field athletes: Maoulida Darouèche and Feta Ahamada, and one swimmer, Ayouba Ali Sihame, all three qualified for the Games through wildcard places. Ahamada was selected as the flag bearer for the opening ceremony and Darouèche held it at the closing ceremony. Ahamada won her heat in the preliminary round of the women's 100 metres but was eliminated in the heat stages, while Darouèche and Sihame did not advance beyond the first round of their respective events.
Malawi competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its ninth appearance in the Summer Olympics since its début at the 1972 Summer Olympics. The delegation included two track and field athletes; Mike Tebulo and Ambwene Simukonda, and one swimmer; Joyce Tafatatha. Tebulo and Simukonda qualified through wildcard places for their respective events. Tebulo was selected as the flag bearer for the opening and closing ceremonies. Tebulo finished 44th in the men's marathon, while Simukonda did not advance beyond the first round of the women's 400 metres. Tafatatha won her heat in the women's 50 metre freestyle but her time was not fast enough to allow her to progress into the semi-finals of the event.
Swaziland competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its ninth appearance in the Summer Olympics since its debut at the 1972 Summer Olympics. The delegation included two track and field athletes: Sibusiso Matsenjwa and Phumlile Ndzinisa, and one swimmer, Luke Hall; the first two competitors qualified for the Games through wildcard places while Hall was awarded a universality place by FINA. Hall was selected as the flag bearer for the opening ceremony and Matensjwa held it for the closing ceremony. All three competitors did not advance further than the heat stages of their respective events.
Laos competed at the 2012 Summer Olympics in London when the event took place from 27 July to 12 August 2012. It was the nation's eighth overall appearance following their Olympic debut in 1980. Laos had previously competed in seven consecutive Olympics prior to London apart from the 1984 Summer Olympics boycott. Two athletes and one swimmer were selected to the Laotian Olympic team after the country did not qualify any competitors. Sprinter Kilakone Siphonexay was the nation's flag bearer at the opening and closing ceremonies. At the Olympics, Siphonexay and runner Laenly Phoutthavong failed to advance in the 100 m heats while swimmer Phathana Inthavong did not reach farther than the 50 m freestyle heats. Overall, Inthavong had the highest ranking for Laos in 2012 with a 56th place finish.
Carline Muir is a Canadian sprinter, who specialized in the 400 metres. She won the bronze medal for the 400 metres, and ultimately, led her national team to claim the sprint relay title at the 2009 Summer Universiade in Belgrade, Serbia. She is also a three-time junior national champion, a two-time silver medalist at the Canadian Track and Field Championships.
Chad competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The country's participation in Rio de Janeiro marked its twelfth appearance at the Summer Olympics since its debut in 1964. The delegation included two track and field athletes: Bachir Mahamat in the men's 400 metres and Bibiro Ali Taher in the women's 5000 metres. Both athletes participated at the Games through wild card places since they did not meet the required standards to qualify. Neither athletes progressed past their heats.
Swaziland competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The country's participation in Rio de Janeiro marked its tenth appearance at the Summer Olympics since its debut in 1972. The delegation included two track and field athletes: Sibusiso Matsenjwa in the men's 200 metres and Phumlile Ndzinisa in the women's 100 metres. Both athletes participated at the Games through wildcard places since they did not meet the required standards to qualify. Neither athletes progressed past their heats, although Matsenjwa set a new national record.
