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 demand for tickets to all levels of each event, there was controversy when seats set aside for sponsors and National Delegations went unused in the early days. A system of reallocation was put in place so the empty seats were filled throughout the Games. Rio de Janeiro, Brazil hosted the 2016 Summer Olympics, becoming the third city in the Southern Hemisphere to host the Olympic Games after Melbourne, Australia, in 1956 and Sydney, Australia, in 2000, and the first South American city to host the Olympics. The preparation for these Games was overshadowed by controversies, including the instability of Brazil's