Summer Olympic Games 1906 Athens games were the first of an alternating series of games to be held in Athens, but the series failed to materialise. The games were more successful than the 1900 and 1904 games, with over 900 athletes competing, and contributed positively to the success of future games. The 1908 London Games saw numbers rise again, as well as the first running of the marathon over its now-standard distance of 42.195 km (26 miles 385 yards). The first Olympic Marathon in 1896 (a male-only race) was raced at a distance of 40 km (24 miles 85 yards). The new marathon
2012 Olympic Marathon Course as 42.195 km and specifically state that the course must not be less than this distance. The rules further state that in Olympic competition the standard distance may not be exceeded by more than 0.1%. In order for a marathon performance to be ratified as a world record by the IAAF, the course must also meet other criteria that rule-out "artificially fast times" produced on courses aided by downhill slope or tailwind: the distance between start and end points when measured in a straight line should not exceed 50% of the length of the course (21.092 km in the case