Buuxi weedhan soo socota: Xilli ciyaareedkii 2003-dii Zersenay wuxuu isu taagay inuu yahay ciyaaryahan cusub oo ka mid ah ciyaartoyda dalka gudihiisa.
2003 IAAF World Cross Country Championships, wuxuuna ku dhammeeyay seddexda sare dhammaan lixdii tartan ee uu Yurub ku qabtay jiilaalkaas. Zersenay ayaa ku guuleystay 5000 mitir oo uu ku guuleystay KBC Night of Athletics wuxuuna Zersenay u keenay rikoor Eritrean ah oo ah 13:11.07, iyo meel ka mid ah IAAF World Championships ee Ciyaaraha fudud. Horyaalka Adduunka ee 2003, wuxuu sii hagaajiyay rikoorkiisa illaa 13:05.57 wuxuuna ku dhammeeyey kaalinta siddeedaad ee orodka 5000 mitir. Horumarin dheeraad ah ayaa ka timid Horyaalkii Dunida ee Half Marathon ee ka dhacay Vilamoura, Portugal, halkaas oo uu ku diiwaan geliyey waqtigiisii ugu fiicnaa ee 1:01:26 si uu u dhammeeyo kaalinta toddobaad.