 Galin Kostadinov akaberekwa musi wa24 Zvita 1979 muDobrich mutambi akarega basa wekuBulgaria. Akamirira nyika yake yeBulgaria, semunhu ane makore makumi matatu nemashanu ekuberekwa, mukupfura kukanda kumaOlympics ezhizha ra2004, uye akadzidziswawo senhengo yechikwata chemitambo yechikwata chemitambo cheDobrudzha mudhorobha rake rekuzvarwa Dobrich pasi pemurairidzi wake uye chipangamazano Ivan Petrov. Muna 2006, Kostadinov akakandira zvakanakisisa zvake zve20.10 metres kuti asimbise nzvimbo yechimakumi maviri neshanu muvarume vakakanda kuEuropean ChampionshipsmuGothenburg, Sweden. 