The Great Wall Virtual Challenge follows the longest man-made structure in the world. This challenge offers two routes: 161mi/259km (recommended for running and walking) and 2183mi/3513km (recommended for cycling). The places you will make your way through to Great Wall include Badaling, Mutianyu and Huangyaguan. Snag 10% Off with my link! www.theconqueror.events/r/JC13020