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
Antarctica Marathon Pole has also witnessed runners braving conditions to complete a full 26.2 mile race. Both for-profit and free events have been held outside the Amundsen–Scott South Pole Station. The South Pole is possibly the first known location of an Ultra Marathon on the continent, when defining an Ultra as anything over 26.2 miles. Key: Antarctica Marathon The Antarctica Marathon may have been the first for-profit sporting event held in Antarctica, on January 28, 1995. The event is now held every year in late February or early March. The race is held on King George Island, one of the largest Antarctic