SOUTH LAKE TAHOE, Calif. — Pat Quinn pushed his back foot into the tail of his Ralston snowskate. The lower ski flexed on the hinge of the truck and the board, known as a “bi-deck,†popped into the air. He turned sideways, setting down smoothly onto the double-barreled down rail in Sierra-at-Tahoe’s Alley Park, a feature even snowboarders with bindings were having a hard time jumping onto.
“I haven’t strapped in in five years,†Quinn said. “Me and a buddy just did the valley run off of Heavenly. Five thousand vertical feet. Ridiculous.â€Â  … More