Date of Birth: 
About Japhet Kosgei
- Japhet Kosgei (born December 20, 1968) is a retired long-distance runner from Kenya, who won several marathons during his career, including the 1999 edition of the Rotterdam Marathon and 2006 Belgrade Marathon.
- His personal best is 2:07:09.
- He won the Lisbon Half Marathon 1999.
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