Mezue ahịrịokwu na-esonụ: Pamela Chepchumba kwụsịtụrụ ruo afọ abụọ mgbe ọ nwalere ihe dị mma maka EPO na
2003 IAAF World Cross Country Championships emere na Lausanne, Switzerland. O mechara bụrụ onye nke isii, mana a chụrụ ya n'asọmpi ahụ. Ọ laghachiri na 2005 wee merie ọkara Marathon Udine.