All you need to know is that it will be 400 harsh kilometres over hills, meadows, trails, through woods, and across fields. The seasoned ones will ride non-stop. Yes, they really will! But those wanting to take delight in the landscape might opt for a more modest pace and spend one or two nights on the track. The route leads through the Giant Mountains, the Jizera Mountains, the Lusatian Mountains, Bohemian Switzerland, Upper Palatine Forest, Mácha’s Region, Bohemian Paradise, and the Giant Mountain hügelland area. If you are afraid, you can try the shorter version 200 hard. Which is a shortened version of the 400 ultra.