 In the World Championships, Medvedtsev has three relay medals gold from 1986 in Oslo, silver from 1987 in Lake Placid and silver from 1993 in Borovets.And he also has two individual gold medals from the World Championships, gold medals in the 20 km from 1986 in Oslo (Holmenkollen ski festival biathlon) and 1990 in Minsk.He also has one gold medal from the 10 km from 1986 in Oslo (Holmenkollen ski festival biathlon).