Bolsjunov was more than 43 seconds ahead of the finn, Ivo Niskanen, who finished second, 56 seconds ahead of his countryman Alexander Bessmertnych.
the Best swede was Simon Lageson on a 39th-place. For Ebba Andersson's lillebor Fredrik, who made his debut in the world cup, it became a 59th-place, four and a half minutes after Bolsjunov.
The Swedish world CUP skiers chose just as the Norwegian stars to stand over the races in Cogne.
Ebba Andersson's brother makes the VC-debut