On Saturday, skateboarder Raven Tershy got skate fans all fired up after he dropped a Instagram of him hitting 43 miles per hour on an old-school Polarizer skateboard with roller skate trucks.

Tim Konrad is the founder of Unofficial Networks and a passionate skier with over two decades of experience in the ski industry. In 2006, he launched the blog from Lake Tahoe with his brother John, evolving...