Basketball at the 1980 Summer Olympics was the tenth appearance of the sport of basketball as an official Olympic medal event. It was held from July 20 to July 30 at the Olympiiski Indoor Stadium and at the CSKA Sports Palace, both located in Moscow, Russian SFSR, Soviet Union. Finals of men's events were held 30 July at the Olympiiski Indoor Stadium. Due to the American-led boycott of the 1980 Summer Olympics, the United States and other nations withdrew from the tournament. The 1980 Olympics marked the second time that the United States men's team did not win the gold medal in Olympic basketball; Yugoslavia won gold in the men's tournament and the Soviet Union in the women's competition. Medal summary Qualification A NOC may enter up to one men's team with 12 players and up to one women's team with 12 players. Automatic qualifications were granted to the host country for both events, plus the winning team at the 1978 FIBA World Championship and the gold medal winners at the 1976 Summer Olympics. The remaining spots were decided by corresponding continental qualifying tournaments for the men's competition, and in a tournament held months before the Olympic Games in Varna, Bulgaria for the women's event. Men Women Withdrew from the tournament. Replacement teams. Format Men's tournament: Three round-robin groups of four teams were formed, where the top two from each one advanced to the final round, and the remaining teams to the classification round. Both the final and classification round groups consisted of another round-robin of six teams each where results between teams from the same preliminary group were carried over. The top two teams from the final round competed for the gold medal, while third and fourth places for bronze. With the exception of the first four places, the final standings were decided by the corresponding places in each group. Women's tournament: One round-robin group is formed containing all six teams, where the top two compete for the gold medal, while the third and fourth places compete for the bronze medal in an additional match. The remaining two teams finish with their group rank in the final standings. Tie-breaking criteria: Head to head results Goal average (not the goal difference) between the tied teams Goal average of the tied teams for all teams in its group Men's tournament Preliminary round The top two teams from each group advance to