Cheruiyot is not related to countryman and fellow marathon runner Robert Kipkoech Cheruiyot , although their similar names are often mentioned in press articles . Robert Kiprono Cheruiyot broke Robert Kipkoech Cheruiyot 's course record when he won the Boston Marathon in 2010 . The previous record of 2:07:14 was held by Cheruiyot 's countryman Robert Kipkoech Cheruiyot .