Summer Olympic Games specifically the long jump, in which American athlete Bob Beamon jumped 8.90 meters. Beamon's world record would stand for 23 years. The 1968 Games also introduced the now-universal Fosbury flop, a technique which won American high jumper Dick Fosbury the gold medal. Politics took center stage in the medal ceremony for the men's 200 meter dash, where Tommie Smith and John Carlos made a protest gesture on the podium against the segregation in the United States; their political act was condemned within the Olympic Movement, but was praised in the Black Power movement. Věra Čáslavská, in protest to the 1968
Olympic Games detect banned substances. Several athletes were barred from competition by their National Olympic Committees prior to the Games; only three athletes failed drug tests while in competition in Beijing. In London over 6,000 Olympic and Paralympic athletes were tested. Prior to the Games 107 athletes tested positive for banned substances and were not allowed to compete. During and after the Games eight athletes tested positive for a banned substance and were suspended, including shot putter Nadzeya Ostapchuk, who was stripped of her gold medal. Russia was partially banned from the 2016 Summer Olympics and completely banned from the 2018 Winter