Whistler, British Columbia – With five k to go before the finish of the men’s 50 k classic Sunday morning, the front of the pack looked remarkably similar to the way it did five k from the start. Dario Cologna (SUI), Petter Northug, (NOR), Alexander Legkov (RUS)—all the heavy hitters were there. It wasn’t until 400 meters to go that things really started heating up, when Germany’s Axel Teichmann threw down a hard attack, stringing...