Nyorai mberi kweiyi ndima - Kostadinov akakwanisa kupinda muchikwata cheBulgaria muvakomana vanopfura pamitambo yeOlympic yezhizha ya2004 muAthens. Pakutanga mukuita uku, akavhara chiratidzo cheB-standard chekupinda chemamita 20.02 kubva kuEuropean Cup Series
muPlovdiv. Yakagadzirirwa mukati meOlympia Stadium yakakurumbira, Kostadinov akabudisa kugutsikana kwemamita 17.75 pakuedza kwake kwekutanga mu prelims. Paakagamuchira zvibodzwa zviviri zvakapfupika kubva pakukanda kwake kwekutanga, kuedza kwaKostadinov kwakanga kusina kukwana kumuisa mberi kunotenderera kwekupedzisira, sezvo akapedza chete mumakumi matatu nemanomwe kubva pamakumi matatu nemapfumbamwe akanyoreswa kupfura kupfura mune zvese.