The World Athletics Championships, known as the IAAF World Championships in Athletics until 2019, are a biennial athletics competition organized by World Athletics, formerly International Association of Athletics Federations. Alongside Olympic Games, the championships represents the highest level of senior international outdoor athletics competition for track and field athletics globally, including marathon running and race walking. Separate World Championships are held by World Athletics for certain other outdoor events, including cross-country running and half-marathon, as well as indoor and age-group championship.
Canada competed at the 1912 Summer Olympics in Stockholm, Sweden. 37 competitors, all men, took part in 30 events in 7 sports.
The men's 200 metre backstroke event for the 1976 Summer Olympics was held in Montreal. The event took place on 24 July. There were 33 competitors from 23 nations, with each nation having up to 3 swimmers. The event was won by John Naber of the United States in world-record time; he was the first person to swim the event in under 2 minutes (1:59.19). It was Naber's fifth medal of the Games: completing a double in the backstroke events as well as golds in the medley relay and the 4×200 free relay, along with a silver in the 200 free. It was the second American victory and second American medal sweep in the men's 200 metre backstroke, after 1968; of the 12 medals from 1968 through 1976, 10 were won by Americans and the other two by Roland Matthes. Peter Rocca (silver) and Dan Harrigan (bronze) were the other two Americans, along with Naber, to reach the podium in 1976. The rules changed in 1984 to limit nations to two swimmers each, preventing further sweeps.
Italy competed at the 1924 Summer Olympics in Paris, France. 200 competitors, 196 men and 4 women, took part in 93 events in 18 sports.
The men's 100 metres event at the 1956 Olympic Games in Melbourne, Australia, was held at the Melbourne Cricket Ground on 23 and 24 November. Sixty-five athletes from 31 nations competed; each nation was limited to three athletes. The final was won by American Bobby Morrow, marking the fifth consecutive victory by a different American. Hec Hogan of Australia won that country's first medal in the event since 1900. The competition took place in strong winds, with the final run into a 2.5 m/s (5.6 mph) headwind.
Guatemala competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from August 8 to August 24, 2008. In what was the country's fourteenth Summer Olympics since its debut at the 1952 Summer Olympics in Helsinki, Finland. A total of twelve athletes competed in nine sports and twelve distinct events. It was the lowest number of participants for Guatemala since the 1980 Games in Moscow, USSR. Three of the twelve athletes were taking part in their second Olympics, and one of them, race walker Luis García, participated in his fourth. In any event that involved a progression through rounds, the Guatemalan athletes did not advance past the first round; as of the Beijing Olympics, there had yet to be a Guatemalan medalist. At the opening ceremony, badminton player Kevin Cordón bore Guatemala's flag.
The men's 100 metre freestyle event at the 1952 Summer Olympics took place between 26 and 27 July at the Helsinki Swimming Stadium. There were 61 competitors from 33 nations. Nations had been limited to three swimmers each since the 1924 Games. The event was won by Clarke Scholes of the United States, the nation's second consecutive and seventh overall victory in the men's 100 metre freestyle. Japan, absent from the 1948 Games after World War II, returned to the podium in the event with Hiroshi Suzuki's silver. Göran Larsson earned Sweden's first medal in the event since 1908 with his bronze.
The men's 10 kilometres walk event at the 1948 Summer Olympic Games took place from 3 to 7 August. The final was won by Swede John Mikaelsson. This was the first time since 1924 the event took place.
The men's 200 metres sprint event at the 1952 Olympic Games took place between July 22 and July 23. There were 71 competitors from 35 nations. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The final was won by 0.16 seconds by American Andy Stanfield. Americans also took silver and bronze as the United States swept the medals in the event for the third time.
The men's 1500 metres event at the 1952 Olympics took place between July 24 and July 26. Fifty-two athletes from 26 nations competed. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was won by Josy Barthel of Luxembourg; to date, this is the only Olympic gold medal won by a Luxembourger, though Luxembourg-born Michel Théato is credited for winning the 1900 Marathon for France. Germany won its first medal in the 1500 metres with Werner Lueg's bronze.
The People's Republic of China, the previous host of the 2008 Olympics at Beijing, competed at the 2012 Summer Olympics in London, the United Kingdom, between 27 July and 12 August 2012. This was the nation's ninth appearance at the Summer Olympics since its debut in 1952. A total of 396 Chinese athletes, 171 men and 225 women, were selected by the Chinese Olympic Committee to compete in 23 sports. For the fourth time in its Olympic history, China was represented by more female than male athletes.
The men's 110 metres hurdles event at the 1952 Summer Olympic Games took place July 23 and July 24. Thirty athletes from 20 nations competed. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The final was won by the American Harrison Dillard. Dillard's compatriots, Jack Davis and Arthur Barnard, took 2nd and 3rd place. It was the fourth of nine consecutive American victories, and the tenth overall gold medal for the United States in the 110 metres hurdles. It was also the second of four consecutive American podium sweeps, and the sixth overall sweep by the United States in the event.
The men's 400 metres hurdles event at the 1952 Summer Olympics took place July 20–21, 1952 at the Helsinki Olympic Stadium. There were 40 competitors from 24 nations. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The final was won by American Charles Moore. It was the nation's third consecutive and eighth overall victory in the event. The Soviet Union, in its debut, and New Zealand each earned their first medal in the men's 400 metres hurdles, with Yuriy Lituyev's silver and John Holland's bronze, respectively.
The men's 4 × 100 metres relay event at the 1952 Olympic Games took place on July 26 and July 27. The United States team won the final.
Racewalking events at the Summer Olympics have been contested over a variety of distances at the multi-sport event. There were three race walking events in the 2020 Summer Olympics: a men's and a women's 20 kilometres race walk, and a men's 50 kilometres race walk. The races were held in a final-only format.
The men's single sculls competition at the 1952 Summer Olympics took place at Meilahti, Helsinki, Finland. The event was held from 20 to 23 July. There were 18 competitors from 18 nations, with each nation limited to a single boat in the event. The event was won by Yuriy Tyukalov of the Soviet Union, in the nation's debut at the Games. Defending champion Mervyn Wood took silver, the fourth medal in five Games for Australia. Teodor Kocerka's bronze was Poland's first medal in the men's single sculls.
The men's single sculls competition at the 1956 Summer Olympics took place at Lake Wendouree, Ballarat, Australia. The event was held from 23 to 27 November. There were 12 competitors from 12 nations, with each nation limited to a single boat in the event. The event was won by Vyacheslav Ivanov of the Soviet Union, the nation's second consecutive victory in the men's single sculls Ivanov's first of his three consecutive Olympic titles. He was so thrilled when he was presented with his gold medal that he jumped up and down with joy-and dropped the medal into Lake Wendouree. He immediately dived into the lake to retrieve it, but could not find it. After the games were over he was given a replacement medal. Stuart Mackenzie took silver, making it the second consecutive Games with an Australian runner-up. American John B. Kelly Jr., after missing the finals in 1948 and 1952 by 0.4 seconds and 0.2 seconds respectively, reached the final and took the bronze medal this time.
Teodorico Caporaso is a male Italian racewalker who won four international medals at senior level at the race walk competitions. He competed at the 2020 Summer Olympics in 50 km walk.
The men's coxed four competition at the 1952 Summer Olympics took place at Mei Bay, Helsinki, Finland. It was held from 20 to 23 August and was won by the team from Czechoslovakia. There were 17 boats from 17 nations, with each nation limited to a single boat in the event. The gold medal was Czechoslovakia's first medal in the men's coxed four. Switzerland earned its third consecutive silver medal, and sixth medal in seven Games dating back to 1920. The reigning champion United States took bronze.
The men's eight competition at the 1952 Summer Olympics took place at Meilahti, Finland. It was held from 20 to 23 July. There were 14 boats from 14 nations, with each nation limited to a single boat in the event. The event was won by the United States, the nation's seventh consecutive and ninth overall gold medal in the men's eight; the Americans had won every time they competed. The Soviet Union took silver in its Olympics debut; Australia's bronze was its first medal in the men's eight.
