pešić's olympic debut came as a 20-year-old at the 2000 summer olympics in sydney. there, she finished in a two-way tie with philippine shooter rasheya jasmin luis for forty-fourth place in the 10 m air rifle, posting a qualifying score of 384. in the 50 m rifle 3 positions, pešić came up with a much sufficient aim to obtain a total of 561 points (190 each in prone and standing and 181 in the kneeling series) in the qualifying round, vaulting her up to thirty-sixth.