Berlin Marathon the largest inline skater marathon in the world and is the final venue of the World Inline Cup. Records In 2008, 166 handbiker and 34 wheelchair athletes participated at the Berlin marathon. The athletes start at the same day, usually at Sunday, like the runners and power walkers. Records 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.
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