Berlin Marathon Berlin Marathon The Berlin Marathon (branded BMW Berlin Marathon for sponsorship reasons) is a major running and sporting event held annually in Berlin, Germany. The official marathon distance of 42.195 kilometers (26 miles 385 yards) is set up as a citywide road race where professional athletes and amateur runners jointly participate. Initiated in 1974, the event traditionally takes place on the last weekend in September, with the exceptions of 2000, because of a conflict with the Olympic Marathon date, and 2018, held two weeks earlier due to Day of German Unity preparations. There have been several title sponsors in the
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