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
Bangkok Marathon miles) to 27.6 km (17.1 miles). According to organisers, the increase was due to the race officials directing runners to take a turn at the wrong place which added over 3 km extra to each of the two laps. The mistake sparked humour and outcry in the social and news media. "The Guardian" called it "world's longest half marathon". Some comments on social media called it a "Super Half Marathon", while some called it a byproduct of "race inflation". Organizers apologized for the mistake and decided to offer a T-shirt saying "Finisher of 27.6 km" to participants who completed the