Battle of Marathon of events, with the competitors running from Marathon to Athens. So popular was this event that it quickly caught on, becoming a fixture at the Olympic games, with major cities staging their own annual events. The distance eventually became fixed at 26 miles 385 yards, or 42.195 km, though for the first years it was variable, being around —the approximate distance from Marathon to Athens. Battle of Marathon The Battle of Marathon (Greek: , "Machē tou Marathōnos") took place in 490 BC, during the first Persian invasion of Greece. It was fought between the citizens of Athens, aided by Plataea,
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