Mezue ahịrịokwu na-esonụ: N'asọmpi ya a ma ama, Kipyegon weghaara ọla edo na 2011 World U18 Championships, na 2012 World U20 Championships. Mgbe ọ dị afọ iri na asatọ, ọ erughi ọkara agba nke 2012 London Olympics, mana o meriri agbụrụ ndị na-eto eto n'egwuregwu Olympic nke afọ 2012.
2011 na 2013 World Cross Country Championships, wee mechaa 5th na 2013 World Championships.