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 1900 Summer Olympics – Men's marathon Athletics at the 1900 Summer Olympics – Men's marathon The men's marathon was a track & field athletics event at the 1900 Summer Olympics in Paris. It was held on July 19, 1900. 13 athletes from five nations competed in the marathon, which used a distance of 40.26 kilometres. The winner, Michel Théato, was a native of Luxembourg who is believed to have competed for France. These were the standing world and Olympic records (in hours) prior to the 1900 Summer Olympics. "(*)" Distance was 40 kilometres The marathon race, which began at 2:30 p.m. on a day with temperatures