Kammala jumla mai zuwa: Petrović da ɗan'uwansa Đuro Kodžo duka sun cika ƙa'idar Olympic "B" a 1999 Celje Marathon a Celje, Slovenia, tare da Petrović da ya gama a cikin lokaci na 2:17:13. Kodayake Petrović ya cancanci shiga wasannin Olympics na bazara na 2000, Bosnia da Herzegovina na ɗaya daga cikin ƙasashe shida waɗanda ba su yi wa masu tseren nesa rigakafi ba kafin tseren marathon, kuma Petrović ya sha wahala daga zazzabin 39 ° C kwanaki biyu kafin tserensa. Likitansa ya ba da shawarar kada ya yi tsere, amma Petrović ya dage kan yin tsere a gasar Olympics, kuma ya gama a matsayi na 76 daga cikin masu tsere 81 a gasar.
tseren marathon na maza a wasannin Olympics na 2000.