At the end of the 2021 World Championship in Oberstdorf, Germany, Bolshunov managed to complete each of the six races, including the team, at least fourth place.
No skier has ever done this before.
Bolshunov became fourth in the sprint and individual race, won gold in the skiathlon, silver in the team sprint and two bronze medals in the relay and marathon.
Earlier it was reported that Bolshunov burst into tears after the finish of the marathon at the World Cup.