Career
He was eighth at the Nairobi Marathon recording a time of 2:14:54. He gained selection for the men"s marathon at the 2009 World Championships in Athletics and was the only Ugandan to finish the race in Berlin, completing the course in 2:17:47 for 31st place. He recorded a time of 2:17:07 for fourth place at the 2010 Kuala Lumpur Marathon.
He ran at the 2010 Frankfurt Marathon and significantly improved his personal best time to 2:08:24, finishing in fifth place.
This run marked an improvement upon Alex Malinga"s previous Ugandan record by almost four minutes. In four years, Chepyegon had gone from a barefoot runner at local races in Kampala to a professional athlete competing alongside the world"s top runners.