DEVIL’S CHALLENGE – ČERTOVSKÁ VÝZVA – 666km aneb superantikontramultiextraunikátní běžecký závod

The Čertovská výzva 666 km is an 8-day stage running race through the beautiful countryside of northern Bohemia, offering a 666 km route or a shorter 4-stage option. The race passes through Kokořínsko, the Máchův kraj region, the Lužické hory mountains, the Ještěd ridge and Český ráj. The final stage follows the same course as the Čertovský ultratrail 66.6 km. The race is open to individuals, pairs and teams of three, with the option to take turns between stages. Individual stages can also be selected. The start and finish are in Hamr na Jezeře, with group transfers to stage starts and GPS navigation. The entry fee includes a pre-race buffet.

Starts for the shorter stages are at 7:00 (stages 2, 3, 5 and 7). For stage 8, there is a group bus transfer to Houska Castle at 6:00. The time limit for each stage runs until the start of the next stage. Chip timing and a GPS tracker with online route tracking are used. It is recommended to have the mapy.com app with offline maps on your mobile phone. The entry fee includes a pre-race buffet during registration on Friday, 29. 5. 2026. A personal drinking cup is mandatory and can be ordered during registration along with a T-shirt or socks. 8 stages, shorter route options, GPS tracking, offline maps, start in Hamr na Jezeře, final 66.6 km stage, pre-race buffet.