8-day stage race of 666 km or a shortened course of 4 stages in beautiful terrain and attractive places in northern Bohemia. You can register as an individual or a 2-men relay for the Devil’s Challenge.

The individual stages will take you to Kokořínsko, the Mácha region, the Lužické mountains, the Ještěd ridge or to the Bohemian Paradise. The final 8th stage is the same as the 66.6 km track of the popular Čertovskej ultratrail. The route will mainly follow tourist signs. GPX will be available for navigation.