Rubuta ci gaba don wannan sakin layi - An haifi Dević a Donje Biljane, wani ƙaramin ƙauye a Ravni Kotari. Ya girma a Kninska Krajina, ya fara ƙwarewa a cikin mita 1500. Ya zama ɗaya daga cikin masu tseren tseren tseren tseren tsakiya a cikin SR Croatia duka kuma ya gudu a 1987 Summer Universiade a Zagreb. Lokacin da Yugoslavia ta fara rushewa, ya koma Sarajevo na ɗan lokaci, amma ba da daɗewa ba ya nemi mafaka a Belgrade yayin da iyayensa suka koma zama a Amurka. Kasancewa ba tare da iyayensa ko dangi na kusa a Belgrade ba, Goran Raičević da matarsa Jelena sun gayyace shi ya zauna tare da su. Ya kulla kyakkyawar abokantaka da Goran, kuma horarwarsu tare ta kasance har zuwa lokacin da Dević ya yi tseren marathon na maza a wasannin Olympics na 1996.
, ya gama a matsayi na 49 na masu kammala 111 tare da lokacin 2: 21:22. Ya gama a matsayi na bakwai a 1997 Belgrade Marathon a cikin lokaci na 2:16:01.