Sri Lanka at the 2012 Summer Olympics 50 metre rifle prone competitions in the qualifying round but did not score enough points to advance. Neither Unamboowe nor Udugampola, competing in the men's 100 metre backstroke and women's 100 metre freestyle, were fast enough to advance beyond their initial heats. Sri Lanka participated in sixteen Olympic Games between its debut at the 1948 Summer Olympics in London, United Kingdom and the 2012 Olympic Games held in the same city. The sole exception was the 1976 Summer Olympics in Montreal. Though it was widely believed the country was participating in a boycott relating to the tour of South Africa
Summer Olympic Games when Tokyo again becomes host city. Historically, the Summer Olympics has been held predominantly in English-speaking countries and European nations. Tokyo will be the first city outside these regions to have hosted the Summer Olympics twice; it will also be the largest city ever to have hosted the Games, having grown considerably since 1964. The 2016 Games in Rio de Janeiro, Brazil, were the first Summer Olympics to be held in South America and the first that were held during the local winter season. The only two countries in the Southern Hemisphere to have hosted the Summer Olympics have been