Mezue ahịrịokwu na-esonụ: Nnukwu asọmpi mbụ ya bụ 1999 IAAF World Cross Country Championships na ọ kwụsịrị na nke ise n'ọsọ ogologo ma nyere aka nweta akara Kenyan na-achịkwa asọmpi otu. Rutto ghọrọ onye na-agba ọsọ kachasị na 10k ruo ọkara marathon dị anya: ọ meriri agbụrụ 2001 Beach to Beacon ma bụrụ onye kachasị mma na Kenya na
2001 IAAF World Half Marathon Championships na ọsọ nke 1:00:43 maka ebe nke isii.