Mezue ahịrịokwu na-esonụ: Sylvia enwewo ihe ịga nke ọma ya kasị mma n'ọsọ ọkara marathon, bụ́ ebe o meriri n'asọmpi mba na 2001. Ọ bụ onye nke abụọ n'afọ 2000. Nsonaazụ ndị ahụ mere ka ọ banye n'òtù egwuregwu mba Amerịka na
2001 IAAF World Half Marathon Championships. O nwekwuru mmeri ọkara Marathon na Austin Half Marathon na America's Finest City Half Marathon. O setịpụrụ ihe ndekọ onwe ya nke 2:33:47 na Marathon na New York City Marathon na 2002. Tinyere oge 2:36:38 na Los Angeles Marathon, nke mere ka ọ bụrụ onye nke anọ na ọkwa US n'afọ ahụ. Ọ na-ejide ndekọ ọsọ na 3M Half Marathon. 2003 New York Marathon 2:33.10 Onye mbụ America 10th, 3M Ọkara Marathon 2004 P.R. 1:09.51 Nke mbụ n'ozuzu