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
Skopje Marathon a full marathon, a half marathon and a 5K race, and takes place on 12 May 2013. Skopje Marathon was in the list of Qualifying Marathon Races in 2012 for the Olympic Games in London. It has been a member race of the Association of International Marathons and Distance Races (AIMS) since 2009. The 2015 edition was cancelled due to the 2015 Macedonian protests. The Skopje Marathon became one of the biggest sporting events in Republic of Macedonia in 2012 as more than 3600 runners from more than 36 countries attended. Skopje Marathon The Skopje Marathon () is an annual