Marathons at the Olympics Olympics marked the introduction of the now standard distance of 26 miles, 385 yards (42.195 km). However, it was not until the 1924 Paris Olympics that this distance became the standard at the Olympics. The Olympic marathon proved immediately popular in the Western world and quickly spawned numerous long-running annual races, including the Boston Marathon in 1897, the Tour de Paris Marathon in 1902, the Yonkers Marathon in 1907, and the London Polytechnic Marathon in 1909. Such marathons played a key role in the expansion of the road running movement internationally over the course of the 20th century. It has
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