Portugal competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Portuguese athletes have competed at every Summer Olympic Games in the modern era since 1912. The Olympic Committee of Portugal sent the nation's second-largest team to the Games. A total of 81 athletes, 64 men and 17 women, were selected by the committee to participate in 15 sports. Men's football was the only team-based sport in which Portugal had its representation at these Games. There was only a single competitor in badminton, canoeing, equestrian, artistic and trampoline gymnastics, triathlon, and wrestling, which made its official Olympic comeback after an eight-year absence.
The men's 100 metres was of one of 23 track events of the athletics at the 2004 Summer Olympics, in Athens. It was contested at the Athens Olympic Stadium, from August 21 to 22, by a total of 82 sprinters from 62 nations. Each nation was limited to 3 athletes per rules in force since the 1930 Olympic Congress.
The women's 100 metres at the 2004 Summer Olympics as part of the athletics program were held at the Athens Olympic Stadium from August 20 to 21.
The women's 200 metres at the 2004 Summer Olympics as part of the athletics program were held at the Athens Olympic Stadium from August 24 to 26. The winning margin was 0.13 seconds. The winner had the second slowest reaction time in the final.
The men's 400 metres at the 2004 Summer Olympics as part of the athletics program were held at the Athens Olympic Stadium from August 20 to 23. Sixty-two athletes from 48 nations competed. The event was won by Jeremy Wariner of the United States, the sixth in what would ultimately be 7 consecutive American victories stretching from 1984 to 2008 and the 18th overall title in the event by the United States. The United States swept the podium for the 4th time in the event.
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 winning margin was 0.14 seconds.
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.
The women's 400 metres hurdles at the 2004 Summer Olympics as part of the athletics program were held at the Athens Olympic Stadium from August 21 to 25.
The men's 800 metres at the 2004 Summer Olympics as part of the athletics program was held at the Athens Olympic Stadium from August 25 to 28. Seventy-two athletes from 58 nations competed. The event was won by 0.16 seconds by Yuriy Borzakovskiy of Russia, the first medal for the nation in the event. Wilson Kipketer of Denmark became the 10th man to win a second medal in the 800 metres.
The men's 1500 metres at the 2004 Summer Olympics as part of the athletics program were held at the Athens Olympic Stadium from August 20 to 24. Thirty-eight athletes from 26 nations competed. The event was won by Hicham El Guerrouj of Morocco, the nation's first title in the event after coming second twice ; El Guerrouj was the fifth man to win a second medal in the event. Bernard Lagat's silver put Kenya on the podium in the event for the third straight year; the United States and Great Britain were the only other nations to have accomplished that. It also made Lagat the sixth man to win two medals in the event, just behind El Guerrouj in both 2000 and 2004. Rui Silva's bronze was Portugal's first medal in the event.
The men's 100 metres at the 2000 Summer Olympics as part of the athletics program were held at the Stadium Australia from 22 to 23 September. Ninety-seven athletes from 71 nations competed. Each nation was limited to 3 athletes per rules in force since the 1930 Olympic Congress. The event was won by American Maurice Greene, the United States's first title in the event since 1988 and 15th overall. Ato Boldon of Trinidad and Tobago improved on his 1996 bronze with a silver in Sydney. Obadele Thompson won the first-ever medal in the men's 100 metres for Barbados with bronze.
The men's 100 metres event was one of the events in the 1980 Summer Olympics in Moscow. The competition was held on July 24, 1980, and on July 25, 1980. Sixty-five athletes from 40 nations competed. Each nation was limited to 3 athletes per rules in force since the 1930 Olympic Congress. The event was won by Allan Wells of Great Britain, that nation's first title in the men's 100 metres since 1924. Cuba took its first medal in the event since 1964, with Silvio Leonard's silver matching the nation's best result. Petar Petrov's bronze was Bulgaria's first Olympic medal in the men's 100 metres.
The men's 100 metres sprint event at the 2008 Olympic Games took place on 15 and 16 August at the Beijing National Stadium. 80 athletes from 64 nations competed. Each nation was limited to 3 athletes per rules in force since the 1930 Olympic Congress. The final was won by Jamaican Usain Bolt in a world record time of 9.69 seconds. It was Jamaica's first title in the event, and first medal in the event since 1976. Jamaica became the first country to join the men's 100 metre winners since Trinidad and Tobago, also in 1976; Richard Thompson won the country's fourth overall medal in the event with his silver.
The Saint Kitts and Nevis National Olympic Committee sent four athletes to the 2008 Summer Olympics in Beijing, China. All four participated in the track and field competitions across four different events. Three women and one man comprised the Kittitian delegation. Williams and Ponteen did not advance past Qualifications in their events; Hodge reached quarterfinals in both the 100m and 200m sprints; and Collins, who participated in two events, reached the Semifinal round in the 100m sprint, and ranked sixth in the finals in the 200m sprint. Saint Kitts and Nevis did not win any medals during the Beijing Olympics. The flag bearer for the team at the opening ceremony was first-time Olympian Virgil Hodge.
The men's 200 metres at the 2008 Summer Olympics took place on 18–20 August at the Beijing National Stadium. There were 63 competitors from 53 nations. Jamaican Usain Bolt set a new world record of 19.30 seconds in the final, and won by the largest margin of victory in an Olympic 200 metres final. It was Jamaica's first victory in the event since 1976 and second overall, matching Canada and Italy for second-most. The apparent silver and bronze medalists, Churandy Martina of the Netherlands Antilles and Wallace Spearmon of the United States, were both disqualified. Those medals went to Americans Shawn Crawford and Walter Dix, who had been fourth and fifth across the finish line; Crawford gave his silver medal to Martina afterward. Crawford was the 10th man to win two medals in the 200 metres, and the third for whom those medals were gold and silver; nobody had yet won two gold medals.
The men's 100 metres competition at the 2012 Summer Olympics in London, United Kingdom was held at the Olympic Stadium on 4–5 August 2012. Seventy-four athletes from 61 nations competed. Each nation was limited to 3 athletes per rules in force since the 1930 Olympic Congress. The competition comprised four rounds: a preliminary round for entrants without the minimum qualifying standard, a heats round, followed by three semi-finals of eight athletes each, which then reduced to eight athletes for the final.
The men's 200 metres competition at the 2012 Summer Olympics in London, United Kingdom was held at the Olympic Stadium on 7–9 August. There were 54 competitors from 40 nations. The event was won by Usain Bolt of Jamaica, the first man to repeat as champion in the 200 metres. His teammates Yohan Blake (silver) and Warren Weir (bronze) completed the medal sweep; it was the seventh sweep in the men's 200 metres and the first by a nation other than the United States. Bolt's gold medal was Jamaica's third in the event, moving out of a tie with Canada and Italy for second-most overall.
The men's 110 metre hurdles at the 2004 Summer Olympics as part of the athletics program were held at the Athens Olympic Stadium from August 24 to 27. Forty-seven athletes from 34 nations competed. The event was won by Liu Xiang of China, the nation's first medal in the event. Terrence Trammell and Anier García became the 11th and 12th men to win multiple medals in the 110 metres hurdles.
The men's 100 metres event at the 2016 Summer Olympics took place between 13–14 August at the Olympic Stadium. 84 athletes from 57 nations competed.
The men's 200 metres event at the 2016 Summer Olympics took place between 16–18 August in Rio de Janeiro, Brazil, at the Estádio Olímpico João Havelange. There were 77 competitors from 48 nations. The event was won by Usain Bolt of Jamaica, his third consecutive gold medal in the event. Bolt earned his eighth overall gold, needing only the 4x100 metres relay the next day to complete the sprint triple-triple. It was Jamaica's fourth victory in the event, second-most among nations. Andre De Grasse earned Canada's first medal in the event since 1928 with his silver; Christophe Lemaitre's bronze was France's first since 1960. The United States missed the podium for only the fifth time in the history of the men's 200 metres; it was the first time that it had done so in consecutive Games.
