Sydney, 29 September 2000. Athletics, men's 100m. Jonathan Drummond (USA) 5th; Maurice Greene 1st. Credit: Getty Images/STEELE Michael

Seoul September 1988. Women's shot put. LISOVSKAYA Natalya (URS) 1st. Credit: Getty Images

Mexico City, October 1968, Games of the XIXe Olympiad. Men's athletics, 1500m final: winner Kipchoge KEINO of Kenya at the finishing line. Credit: Getty Images/DUFFY Tony

Atlanta, 17 July 1996: Olympic Order Award Ceremony: athletes Kipjoge KEINO of Kenya and Edwin MOSES of the United States pose together for photographers. Credit: IOC Olympic Museum Collections/LOCATELLI Giulio

Antwerp 1920, Games of the VII Olympiad. Four views of the marathon (source: "Il secolo Illustrato" Review). Credit: IOC Olympic Museum Collections

Antwerp 1920. Finn Hannes KOLEHMAINEN enters the Olympic Stadium on his way to winning the marathon event of the Games of the VII Olympiad.Credit: IOC Olympic Museum Collections

Antwerp 1920, Games of the VII Olympiad. Men's marathon: Estonian Juri LOSSMANN, 2nd, and winner Hannes KOLEHMAINEN of Finland are surrounded by the crowd at the end of the event. Credit: IOC Olympic Museum Collections

Paris 1900, Games of the II Olympiad. Alvin KRAENZLEIN of the United States, who won the 60m sprint in 7 seconds, the 110m hurdles in 15.2secs, equalling the world record, and the long jump. Copy of a page from the magazine "La Vie au Grand Air". Credit: IOC Olympic Museum Collections

Paris 1900, Games of the II Olympiad. Alvin KRAENZLEIN of the United States, jumping 7.185 m in the long jump. Copy of a page from the magazine "La Vie au Grand Air". Credit: IOC Olympic Museum Collections

Moscow, 1 August 1980. Men's athletics: Mirtus YIFTER of Ethiopia brushes shoulders with Aleksandr FEDOTKIN of the Soviet Union on his way to victory in the 5000m at the Games of the XXII Olympiad. Credit: Getty Images/Tony Duffy

Credit: IOC

For further info., please visit http://www.olympic.org/uk/sports/programme/disciplines_uk.asp?DiscCode=AT.