World champion Alexander Bolshunov peaked when it mattered most to claim his first Olympic gold medal on Sunday in the cross country skiathlon where the Russian team celebrated a one-two finish and superpower Norway missed the podium. Bolshunov, who had won only one World Cup race all season, broke the field together with Iivo Niskanen in opening classic style portion despite falling early on, and left his Finnish rival behind at the start of the second half of the 30-kilometres contested in freestyle. Bolshunov started celebrating with more than 2km left, saluted the crowd entering the stadiu…