Algeria competed at the 2004 Summer Olympics in Athens, Greece from 13 to 29 August 2004. It first competed in the Olympics in 1964, and entered the 2004 Athens Games having won a total of twelve medals — including one gold, one silver, and three bronze medals at the 2000 Summer Olympics. These medals were in athletics and boxing. 61 competitors, 46 men and 15 women, took part in 57 events in 10 sports.
Great Britain, the team of the British Olympic Association (BOA), competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004 with the team of selected athletes was officially known as Team GB. The British sent a wide-ranging delegation to the Games, continuing its ubiquitous presence at the Olympics. Great Britain's 264 athletes, 161 men and 103 women, competed in 22 disciplines throughout the two-week event. The team entered the opening ceremony behind the Union Flag carried by judoka Kate Howey. Double gold medal winner Kelly Holmes carried the flag at the closing ceremony.
Belarus competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fifth appearance at the Summer Olympics in the post-Soviet era. The Belarus Olympic Committee sent a total of 151 athletes to the Games, 82 men and 69 women, to compete in 22 sports.
Hong Kong competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. It was the territory's thirteenth appearance at the Olympics and, at the opening ceremony, its team was the last to enter the stadium before the host nation because of the use of the Greek alphabet.
Romania competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Romanian athletes have competed at every Summer Olympic Games since its official debut in 1924, missing only two editions, including the 1948 Summer Olympics. The Romanian Olympic and Sports Committee sent the nation's smallest team to the Games since the 1988 Summer Olympics in Seoul. A total of 108 athletes, 50 men and 58 women, had competed in 16 different sports, most notably in artistic gymnastics and rowing. For the third time in Olympic history, Romania was again represented by more female than male athletes.
Czech Republic 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 after gaining its independence from the former Czechoslovakia. The Czech Olympic Committee sent the nation's largest team to the Games since the post-Czechoslovak era. A total of 142 athletes, 80 men and 62 women, competed in 19 sports; the nation's team size was roughly denser from Sydney by one sixth of the athletes. Women's basketball was the only team-based sport in which the Czech Republic had its representation at these Olympic Games. There was only a single competitor in equestrian, artistic and trampoline gymnastics, judo, and weightlifting.
Peru competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fifteenth appearance at the Olympics, except the 1952 Summer Olympics in Helsinki.
Senegal competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's eleventh appearance at the Olympics.
Uzbekistan competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's third consecutive appearance at the Olympics. The National Olympic Committee of the Republic of Uzbekistan sent a total of 70 athletes to the Games, 52 men and 18 women, to compete in 13 different sports, tying its delegation record with Sydney four years earlier. There was only a single competitor in road cycling, artistic and trampoline gymnastics, and table tennis.
Dame Valerie Kasanita Adams is a retired New Zealand shot putter. She is a four-time World champion, four-time World Indoor champion, two-time Olympic, three-time Commonwealth Games champion and twice IAAF Continental Cup winner. She has a personal best throw of 21.24 metres (69.7 ft) outdoors and 20.98 metres (68.8 ft) indoors. These marks are Oceanian, Commonwealth and New Zealand national records. She also holds the Oceanian junior record (18.93 m) and the Oceanian youth record (17.54 m), as well as the World Championships record, World Indoor Championships record and Commonwealth Games record.
Latvia competed at the 2012 Summer Olympics in London, United Kingdom from July 27 to August 12, 2012. This was the nation's tenth appearance at the Summer Olympics.
Belgium competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012. The Belgian Olympic Committee sent the nation's largest delegation to the Games since 1976. A total of 119 athletes, 75 men and 44 women, competed in 16 sports. There was only a single competitor in slalom canoeing, BMX cycling, equestrian dressage, rowing, shooting, table tennis, and weightlifting. Field hockey was the only team event in which Belgium was represented at these Olympic games.
Romania competed at the 2012 Summer Olympics in London from 27 July to 12 August 2012. This nation has competed at the Summer Olympic Games since its official debut in 1924, missing only two editions, including the 1948 Summer Olympics. Despite being London's third Olympic Games, this is the first time the Romanian team has competed in London. The Romanian Olympic and Sports Committee sent a total of 103 athletes to the Games, 54 men and 49 women, to compete in 14 sports.
Great Britain and Northern Ireland competed at the 2017 IAAF World Championships in London, from 4–13 August 2017. It was the first time that the United Kingdom had hosted the World Championships. Mo Farah won the first medal for the host nation, also winning the first gold medal of the Championships.
Bertrand Vili is a French former track and field athlete who competed in the discus throw. He represented France at the 2009 World Championships in Athletics and was a silver medallist at the 2005 Jeux de la Francophonie. He was a double shot put/discus gold medallist at the 2001 South Pacific Mini Games and also won javelin throw silver. He won the gold medal in the discus at the 2007 Pacific Games in a games record of 58.31 m. He successfully defended that title four years later at the 2011 Pacific Games, held in his native New Caledonia. He has a personal best of 63.66 m and is the New Caledonian national record holder.
Great Britain and Northern Ireland competed at the 2019 IAAF World Championships in Doha, from 27 September–6 October 2019. The nation won five medals at the championships – two gold medals, and three silvers. Dina Asher-Smith became the first British person to win three medals at a single championships, winning the women's 200 metres, taking silver in the Women's 100 metres, then getting another silver in the women's 4 × 100 metres relay. Asher-Smith broke the British records in both the 100 m and 200 m. She was Britain's first female sprint champion. Katarina Johnson-Thompson was the only other Briton to win an individual medal, taking the heptathlon gold medal with a British record score. The British men's 4 × 100 metres relay quarter ran a European record of 37.36 seconds to take a silver medal. The women's 4 × 400 metres relay team was briefly upgraded to the bronze medal, but the original medallists Jamaica were reinstated on appeal. Great Britain won the lowest number of medals since its performance at the 2005 World Championships in Athletics.
Belgium competed at the 2019 World Championships in Athletics in Doha, Qatar from 27 September to 6 October 2019. Belgium has entered 29 athletes. The country finished in 24th place in the medal table.
Morocco competed at the 2022 World Championships in Athletics in Eugene, Oregon, United States. The country is currently in 22nd place in the medal table.
New Zealand competed at the 2003 World Athletics Championships. Their best placing was fifth, achieved by Valerie Vili in the Women's shot put. The men's 4x100m relay team broke the national record in their heat, but did not advance to the semi-finals.
New Zealand competed at the 1997 World Championships in Athletics held in Athens, Greece. The team won one medal, a gold, which was won by Beatrice Faumuina in the discus, which placed them equal 22nd on the medal table. This was New Zealand's first medal at a World Athletics Championships.
