Peru competed at the 1968 Summer Olympics in Mexico City, Mexico. 28 competitors, 16 men and 12 women, took part in 21 events in 8 sports.
The United States competed at the 1968 Summer Olympics in Mexico City. 357 competitors, 274 men and 83 women, took part in 167 events in 18 sports.
Great Britain, represented by the British Olympic Association (BOA), competed at the 1968 Summer Olympics in Mexico City, Mexico. 225 competitors, 175 men and 50 women, took part in 133 events in 16 sports. British athletes have competed in every Summer Olympic Games.
Margitta Gummel was a German Olympic gold medal-winning shot putter. She competed for the Unified German team in the 1964 Summer Olympics, East Germany in the 1968 Summer Olympics, and East Germany again at the 1972 Summer Olympics. She had a long rivalry with Nadezhda Chizhova of the Soviet Union.
Athletes from East Germany competed at the 1968 Summer Olympics in Mexico City, Mexico. 226 competitors, 186 men and 40 women, took part in 124 events in 18 sports. It was the first time that West Germany and East Germany had sent separate teams to the Summer Olympic Games.
The Soviet Union (USSR) competed at the 1968 Summer Olympics in Mexico City. 312 competitors, 246 men and 66 women, took part in 164 events in 18 sports.
Japan competed at the 1968 Summer Olympics in Mexico City, Mexico. 171 competitors, 146 men and 25 women, took part in 97 events in 18 sports.
Kaye Marie Hall, later known by her married name Kaye Greff, is an American former competition swimmer, two-time Olympic champion, and former world record-holder in two events.
Linda Lee Gustavson, also known by her married name Linda McGuire, is an American former competition swimmer, three-time Olympic medalist, and surpassed world record-holder in two events. As an 18-year-old, she was on the United States Olumpic team at the 1968 Summer Olympics in Mexico City, a medalist in the three events she competed in.
The men's shot put competition at the 1968 Summer Olympics in Mexico City, Mexico took place on October 13–14. Nineteen athletes from 14 nations competed. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The event was wo by Randy Matson of the United States, the nation's sixth consecutive and 14th overall victory in the men's shot put. His teammate George Woods took silver, making 1968 the sixth straight Games the Americans had finished one-two. Matson was the seventh man to win two medals in the event ; Woods would become the eighth in 1972. Eduard Gushchin took bronze, the Soviet Union's first men's shot put medal.
The Women's 200 metres competition at the 1968 Summer Olympics in Mexico City, Mexico was held at the University Olympic Stadium on October 17–18.
The Women's 400 metres competition at the 1968 Summer Olympics in Mexico City, Mexico was held at the University Olympic Stadium on October 14–16.
The Women's 80 metres hurdles competition at the 1968 Summer Olympics in Mexico City, Mexico was held at the University Olympic Stadium on October 17–18.
The Women's long jump competition at the 1968 Summer Olympics in Mexico City, Mexico took place on October 13–14.
The Women's discus throw competition at the 1968 Summer Olympics in Mexico City, Mexico took place on October 18.
The trap was a shooting sports event held as part of the Shooting at the 1968 Summer Olympics programme. The competition was held on 18 and 19 October 1968 at the shooting ranges in Mexico City. 55 shooters from 34 nations competed. For the first time, the event was open to women as well as men. Nations were limited to two shooters each. The event was won by Bob Braithwaite of Great Britain, the nation's first victory in the event and first medal of any color in the trap since 1908. Silver went to Thomas Garrigus of the United States. Kurt Czekalla of East Germany took bronze; it was the first medal in the event for East Germany as a separate nation, and the first medal for any German trap shooter since 1912.
The mixed ISSF 25 meter rapid fire pistol was a shooting sports event held as part of the Shooting at the 1968 Summer Olympics programme. It was the 13th appearance of the event. The competition was held on 22 to 23 October 1968 at the Vicente Suárez Shooting Range in Mexico City. 56 shooters from 34 nations competed. Nations had been limited to two shooters each since the 1952 Games. The event was won by Józef Zapędzki of Poland, the nation's first medal in the event and the first of two victories of Zapędzki. Marcel Roșca's silver put Romania on the rapid fire pistol podium for the fourth time in five Games. Renart Suleymanov of the Soviet Union took bronze.
The mixed ISSF 50 meter pistol was a shooting sports event held as part of the Shooting at the 1968 Summer Olympics programme. It was the twelfth appearance of the event, and the first where the competition was open to women. The competition was held on 18 October 1968 at the shooting ranges in Mexico City. 69 shooters from 42 nations competed. Nations had been limited to two shooters each since the 1952 Games. The event was won by Grigory Kosykh of the Soviet Union in a shoot-off, the nation's second victory in the event. Heinz Mertel of West Germany took silver while Harald Vollmar of East Germany took bronze, with each nation earning a medal in their first competition separate from each other; they were the first medals for any German shooter in the free pistol since 1936.
The mixed 300 m rifle three positions was a shooting sports event held as part of the Shooting at the 1968 Summer Olympics programme. It was the 10th appearance of the event at an Olympic Games. The competition was held on 23 October 1968, with 30 shooters from 16 nations competing. Nations had been limited to two shooters each since the 1952 Games. The event was won by Gary Anderson of the United States, the only person to successfully defend an Olympic title in the event. It was the United States' third gold medal in the event, most of any nation. Valentin Kornev extended the Soviet Union's podium streak in the event to five Games with his silver. Swiss shooter Kurt Müller took bronze.
Congo, officially Republic of the Congo, competed at the 2016 Summer Olympics in Rio de Janeiro, from August 5 to 21, 2016. This was the nation's twelfth appearance at the Summer Olympics, since its debut in 1964. Congolese athletes did not attend the 1968 Summer Olympics in Mexico City, and the 1976 Summer Olympics in Montreal because of the African boycott.
