Step into America's first national park, home to many of the most recognized natural wonders in the country. When and Where - This is a virtual challenge. Participate and complete at anytime, from anywhere in the world. How - Set your own time frame and finish the required distance by walking, running, cycling or any distance-based activities of your choice. Manual submission is also accepted. Rewards - Receive a gorgeous finisher medal at your doorstep with worldwide shipping! You will also unlock an E-certificate and an E-badge.