Mezue ahịrịokwu na-esonụ: A mụrụ Velichkov n'obodo nta bụ́ Stambolovo nke dị n'ebe ndịda ọdịda anyanwụ Bulgaria. O mechara banye n'egwuregwu biathlon. Velichkov sonyere n'egwuregwu Olympic mbụ ya n'afọ 1980 ma ọ malitere na World Championship na World Championships na Minsk na 1982. O sonyekwara n'egwuregwu Olimpik n'afọ 1984 na 1988 nakwa n'asọmpi Iko Mbaụwa n'afọ 1983, 1985, 1986, 1987, 1989 na 1989.
1990 maka Bulgaria. Ọkacha mma ya n'otu n'otu n'egwuregwu Olimpik bịara na 20 km n'otu n'otu n'afọ 1984, ọ bịara nke iri na atọ. Ọkacha mma ya, na naanị ya, na-agwụcha n'afọ 1988, ebe nke asatọ. Onye kachasị mma ya na World Championships bịara na 1982 na Minsk ebe Velichkov kwụsịrị 5th, ihe ọ na-eme ka afọ atọ gasịrị na Ruhpolding, ma na ọsọ ọsọ. Ọkacha mma ya na-emecha na World Championships bụ nke 10 nke bịara na 1989 na Feistritz, ebe kachasị mma ya, na naanị otu egwuregwu egwuregwu bịara, ebe 12.