At 3,100 miles or 5,000 km, the Continental Divide Trail is the longest trail through any country in the world. Also known as the CDT, it is renowned for being beautiful yet brutal—an endurance test requiring versatility, flexibility, and adaptability in the face of nature’s many whims. With the Pacific Crest Trail already under his belt, Tim Voors turns his attention to the second of the country's three great thru-hikes, charting a path through the heart of the United States.