Kenya’s Geoffrey Mutai runs fastest marathon in history at Boston Publié le avril 18, 2011 par surintendant Time of 2:03.02 is ineligible for official world record due to course’s hills. Ryan Hall’s 2:04:58 is fastest ever by American. Caroline Kilel outsprints Desiree Davila of U.S. to win women’s race. BOSTON — Kenya’s Geoffrey Mutai ran the fastest 26.2 miles in history to win the Boston Marathon on Monday. Then his claim to a world record was swallowed up by the hills. Not the inclines of Heartbreak Hill that have doomed so many runners before him. It was the downhill part of the race that makes his time of 2 hours 3 minutes 2 seconds ineligible for an official world record. In short: IAAF rules have deemed the oldest and most prestigious marathon in the world — long considered the one of the most difficult too — to be too easy.