Pedzisa mutsara unotevera: Sylvia akabudirira zvikuru munhangemutange yeHalf Marathon, paakakunda muNational Championships muna 2001. Akanga ari mumhanyi muna 2000. Migumisiro iyoyo yakamuisa muchikwata chenyika yeU.S. pa
2001 IAAF World Half Marathon Championships. Akanga aine mamwe Half Marathon kukunda muAustin Half Marathon uye America's Finest City Half Marathon. Akaisa rekodhi yake pachake ye2:33:47 muMarathon kuNew York City Marathon muna 2002. Pamwe chete ne2:36:38 paLos Angeles Marathon, izvo zvakamuendesa kunhamba 4 muUS rankings gore iroro. Anobatawo rekodhi yomumugwagwa pa3M Half Marathon. 2003 New York Marathon 2:33.10 Wokutanga American 10th, 3M Half Marathon 2004 P.R. 1:09.51 Wokutanga zvachose