2012 Olympic Marathon Course standard length for a marathon, and the 1908 marathon course was originally to have been 25 miles, passing through Uxbridge, Ruislip, Harrow-on-the-Hill before ending at the White City Stadium. It was extended to 26 miles and 385 yards (42.195 km) to avoid troublesome cobbles and tram lines, because of access restrictions at Windsor Castle and to improve visibility to the spectators, including Queen Alexandra, for the finishing stretch inside the stadium. This distance subsequently became the official length of the marathon. In 1948, London hosted the first Olympic Games to be held after World War II the "austerity games". The
Great Wall Marathon Great Wall Marathon The Great Wall Marathon is an annual marathon race, traditionally held on the third Saturday of May along and on the Huangyaguan or Huangya Pass (Chinese: 黄崖关; Chinese: 黃崖關; Pinyin: Huángyáguān； Literally: "Yellow Cliff Pass"), Tianjin section of the Great Wall of China East of Beijing. Since it first start in 1999, the race has grown to several hundred participants. A locally organized event offering a full selection of runs including a full marathon (42.2k), half marathon (21.1k), 10k, and 5k distances. Aside from the main marathon, a half marathon, 10 km and 5 km runs were