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Here are nine things you may not have known about the fastest marathoner in history.
Two of the biggest stars from the 2014 Berlin Marathon share their thoughts.
The fast Berlin course was the home of yet another record.
The Kenyan smashes the course record and runs the fourth fastest marathon in history on Sunday.
Kimetto notches a course record in cold, windy conditions.
The lineup is the strongest since the race's founding in 2007.
The fastest marathoner of all-time misses world-record.
He wants to now set a marathon world record.