 He won the 15 km silver and the 4 × 10 km relay bronze at the 1976 Winter Olympics in Innsbruck, then followed it with a 4 × 10 km relay gold at the 1980 Winter Olympics in Lake Placid, New York.Belyayev also won two silvers at the 1978 FIS Nordic World Ski Championships in the 15 km and the 50 km.All results are sourced from the International Ski Federation (FIS).