Liberec, Czech Republic – Petter Northug (NOR) won the men’s 50km freestyle mass start, the final event of the 2009 World Championships. Northug moved his way up thorugh the pasck over the last 10 kilometers, positioning himself for the final sprint. He crossed the line .7 seconds ahead of Russian Maxim Vylegezhanin. Tobias Angerer (GER) took the bronze, two seconds behind Northug. The victory earned Northug his third gold of the Championships. He also won...