Simplify the following text for a Grade 9 native English-speaking person.
Original: 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 .
Simplified: The previous record of 2:07:14 was held by Cheruiyot 's countryman Robert Kipkoech Cheruiyot .