Polytechnic Marathon the event, and the Polytechnic Marathon was born. The first Polytechnic Marathon was held on 8 May 1909. Henry Barrett won, followed by Fred Lord, and Harry Green. As with the Olympic race, the start was at Windsor Castle and the course was 26 miles, 385 yards; this distance was adopted as the international standard for marathons in 1924. (The older Boston Marathon, founded in 1897, adopted the distance in 1924, but was slightly short for the first three years and was shorter still from 1951 to 1956.) Over the years, the route of the Poly Marathon varied. From 1909
Athletics at the 1908 Summer Olympics – Men's marathon at the Olympic Stadium, the Great White City Stadium in Shepherd's Bush in London. The Polytechnic Harriers were also tasked with organising a Marathon Trial Race, to be run along most of the Olympic Marathon route. By April 1908, a revised map of the course of the Trial Race was published, also showing the intended course of the Olympic Marathon. It had by this time been decided to fix the Olympic Marathon distance at "about 26 miles" to the stadium, plus a lap of the track (), using the Royal Entrance as the marathon tunnel, and finishing at the normal