Marathon world record progression races were first held in 1896, but the distance was not standardized by the International Association of Athletics Federations (IAAF) until 1921. The actual distance for pre-1921 races frequently varied slightly from the present figure of 42.195 km (26 miles 385 yards). In qualifying races for the 1896 Summer Olympics, Greek runners Charilaos Vasilakos (3:18:00) and Ioannis Lavrentis (3:11:27) won the first two modern marathons. On April 10, 1896, Spiridon Louis of Greece won the first Olympic marathon in Athens, Greece in a time of 2:58:50; however, the distance for the event was reported to be only 40,000 meters. Three
Athletics at the 1908 Summer Olympics – Men's marathon Marathons became an annual event in London following the 1908 Olympics. The Polytechnic Marathon was held each year until 1996. "Il sogno del maratoneta" is an Italian book and TV movie about Pietri's run. Athletics at the 1908 Summer Olympics – Men's marathon The men's marathon race of the 1908 Summer Olympics took place in London on 24 July 1908. Johnny Hayes won after Dorando Pietri was disqualified for having received assistance before the finish line. For the first time in an Olympic marathon, the distance was , which would become the standard distance in 1921. 75 competitors entered the