Marathon later recognized by the race organizers as the women's winner for that year, as well as 1967 and 1968. The length of an Olympic marathon was not precisely fixed at first, but the marathon races in the first few Olympic Games were about , roughly the distance from Marathon to Athens by the longer, flatter route. The exact length depended on the route established for each venue. The International Olympic Committee agreed in 1907 that the distance for the 1908 London Olympic marathon would be about 25 miles or 40 kilometres. The organisers decided on a course of 26 miles
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