Athletics at the 1908 Summer Olympics – Men's 400 metres Athletics at the 1908 Summer Olympics – Men's 400 metres The men's 400 metres was an Olympic event for the fourth time at the 1908 Summer Olympics in London. The competition was held originally scheduled from July 21, 1908 to July 23, 1908. The rerun of the final was held on July 25, 1908. The races were held on a track of 536.45 metres= mile in circumference. 37 runners from ten nations competed. It was the most controversial event of the London Games. The final resulted in the disqualification of American runner John Carpenter, who had blocked British athlete Wyndham
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