Polytechnic Marathon City Stadium in front of the Royal Box, a distance that turned out to be 26 miles, 385 yards. There was immense public interest in the 1908 Olympic race, with its dramatic finish in which Dorando Pietri of Italy entered the stadium well clear of the field and staggered around the last lap to the finish line—only to be disqualified for receiving assistance. Building on this interest, "The Sporting Life" newspaper offered a magnificent trophy for an annual international marathon that would be second in importance only to the Olympic event itself. The Polytechnic Harriers were again asked to organise
Bangkok Marathon course passes many historical landmarks of cultural and ethnic importance. The marathon starts and finishes in front of The Royal Grand Palace at Sanam Chai Road. The race course is sanctioned by The Association of International Marathons and Distance Races (AIMS) and the Amateur Athletic Association of Thailand (IAAF Rules). In 2013, the course of the half marathon was changed at the last minute because of concurrent Bangkok street protests which reduced the distance of the half marathon from 21.1 km (13.1 miles) to 19.7 km (12.2 miles). In 2015, the half marathon was accidentally extended from 21.1 km (13.1