Patrick Makau from Kenya brakes men’s marathon world record on Sunday, 25 september 2011 and wins Berlin marathon. He ran 42 km and 195 meters (26.2188 miles) in 2 hours 3 minutes 38 seconds. The previous record was set by Haile Gebrselassie (Ethiopia) in 2008 on the same Berlin course.
Patrick Makau average speed during his winning marathon race in Berlin was: 42.195m/2h3m38s = 20.48km/h or 12.72 miles/hour (as you can compute in our speed calculator)