Nyorai kupfuurira kweiyi ndima - Kashkarov akanga ari mukurusa weSoviet biathlete wepakati pema1980. Kashkarov akahwina menduru dzake dzekutanga dzepasi rose pa1982 World Junior Championships, kwaakakunda seti yakazara yemenduru, goridhe mumakiromita gumi nemashanu ega, sirivheri mu relay uye bronze mumakiromita gumi. Kubva muna 1983 kusvika muna 1991, Kashkarov akakwikwidza mumakwikwi ose eWorld Biathlon World Championships akanga akavhurika kuvarume, uye akahwina menduru pane imwe neimwe yadzo, kunze kwe1990. Akakunda menduru dzegoridhe dzechikwata chechikwata mu1983, 1985
uye 1986 World Championships nendarama muna 20 km nomumwe muna 1985 uye chikwata chiitiko muna 1989.