Track cycling is a bicycle racing sport usually held on specially built banked tracks or velodromes using purpose-designed track bicycles.
Kazakhstan competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's third appearance at the Summer Olympics in the post-Soviet era.
Iran competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. The nation has competed at every Summer Olympic games, since its return in 1948 after having made their debut in 1900, with the exception of the 1980 and 1984 Summer Olympics. The National Olympic Committee of the Islamic Republic of Iran sent a total of 38 athletes, 37 men and 1 woman, to compete in 10 sports. Half-lightweight judoka Arash Miresmaeili, who later forfeited his first match against Israel's Ehud Vaks for medical reasons, was the nation's flag bearer in the opening ceremony.
Great Britain, represented by the British Olympic Association (BOA), competed at the 1980 Summer Olympics in Moscow, Russian SFSR, Soviet Union. British athletes have competed in every Summer Olympic Games. 219 competitors, 149 men and 70 women, took part in 145 events in 14 sports.
Belgium competed at the 2000 Summer Olympics in Sydney, Australia.
Poland competed at the 1988 Summer Olympics in Seoul, South Korea. Poland returned to the Summer Olympic Games after having boycotted the 1984 Summer Olympics. 143 competitors, 111 men and 32 women, took part in 105 events in 19 sports.
Belarus competed in the Summer Olympic Games for the first time as an independent nation at the 1996 Summer Olympics in Atlanta, United States. Previously, Belarusian athletes competed for the Unified Team at the 1992 Summer Olympics. 157 competitors, 91 men and 66 women, took part in 115 events in 19 sports.
Mexico competed at the 2000 Summer Olympics in Sydney, Australia.
Barbados competed at the 2000 Summer Olympics in Sydney, Australia. The nation won its first and only Olympic medal at these Games.
Australia competed at the 1948 Summer Olympics in London, England. 75 competitors, 66 men and 9 women, took part in 52 events in 11 sports. Australian athletes have competed in every Summer Olympic Games.
Argentina at the 1948 Summer Olympics in London, England was the nation's eighth appearance out of eleven editions of the Summer Olympic Games. Argentina sent to the 1948 Summer Olympics its fifth national team, under the auspices of the Argentine Olympic Committee of 199 athletes who competed in 101 events in 16 sports. It would not be until the 2016 Summer Olympics that the athlete delegation were surpassed. The medals haul of 3 golds, 3 silvers, and a bronze tied the medals haul in 1928. The achievement of 7 medals in an edition of the Olympics has yet to be matched.
Cycling competitions at the Beijing 2008 Summer Olympics were held from August 9 to August 23 at the Laoshan Velodrome, Laoshan Mountain Bike Course, Laoshan BMX Field and the Beijing Cycling Road Course.
Thailand competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China, from August 8 to August 24, 2008.
Iran competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. The nation has competed at every Summer Olympic games since its return in 1948, after having made their debut in 1900, with the exception of the 1980 and 1984 Summer Olympics. The National Olympic Committee of the Islamic Republic of Iran sent the nation's second-largest delegation to the Games, one less than it sent to Beijing. A total of 53 athletes, 45 men and 8 women, competed in 14 sports. This was also the youngest delegation in Iran's Olympic history, with half the team under the age of 25, and many of them are expected to reach their peak in time for the 2016 Summer Olympics in Rio de Janeiro. Heavyweight boxer Ali Mazaheri was the nation's flag bearer at the opening ceremony.
Iran competed at the 2020 Summer Paralympics in Tokyo, Japan, from 24 August to 5 September 2021. This was their ninth consecutive appearance at the Summer Paralympics since 1988.
Cameroon competed at the 2022 Commonwealth Games at Birmingham, England from 28 July to 8 August 2022. It was their seventh appearance at the Commonwealth Games.
Indonesia participated in the 2021 Islamic Solidarity Games held in Konya, Turkey from 9 to 18 August 2022.
Pakistan participated in the 2021 Islamic Solidarity Games held in Konya, Turkey from 9 to 18 August 2022.
Bangladesh participated in the 2021 Islamic Solidarity Games held in Konya, Turkey from 9 to 18 August 2022, the Games were rescheduled from 20 to 29 August 2021, the event was postponed to be held from 10 to 19 September 2021 in July 2020 by the ISSF because the original dates were coinciding with the 2020 Summer Olympics, which were postponed due to the COVID-19 pandemic. In May 2021, the ISSF postponed the event to August 2022 citing the COVID-19 pandemic situation in the participating countries.
Turkey participated in the 2021 Islamic Solidarity Games held in Konya, Turkey from 9 to 18 August 2022.