
Trail running Hamr na Jezere (CZ)
103 km103 km100.6 km95 km81.1 km81.1 km79.2 km74.9 km67.2 km67.2 km66.6 km66.6 km56.9 km
8-day stage race of 666 km or a shortened course of 4 stages in beautiful terrain and attractive places in northern Bohemia. The individual stages will take you to Koko?ínsko, the Mácha region, the Lužické mountains, the Ješt?d ridge or to the Bohemian Paradise. The final 8th stage is the same as the 66.6 km track of the ?ertovskej ultratrail.
Devil's Challenge 666 km - 8 stages 6
Saturday 30 May 2026
103.09 km
1833 m
1833 m

Devil's Challenge 317km - 4 stages 2/4
Wednesday 03 June 2026
103.09 km
1833 m
1833 m

Devil's Challenge 666 km - 8 stages
Saturday 30 May 2026
100.62 km
2316 m
2316 m

Devil's Challenge 666 km - 8 stages 4
Saturday 30 May 2026
95.09 km
2805 m
2805 m

Devil's Challenge 666 km - 8 stages 5/8
Saturday 30 May 2026
81.18 km
1556 m
1556 m

Devil's Challenge 666 km - 8 stages 3
Saturday 30 May 2026
79.25 km
2207 m
2207 m

Devil's Challenge 666 km - 8 stages 2
Saturday 30 May 2026
74.99 km
1853 m
1853 m

Devil's Challenge 666 km - 8 stages 8
Saturday 30 May 2026
67.25 km
1929 m
2053 m

Devil's Challenge 317km - 4 stages 4/4
Wednesday 03 June 2026
67.25 km
1929 m
2053 m

Devil's Challenge 666 km - 8 stages 7
Saturday 30 May 2026
66.63 km
2218 m
2218 m

Devil's Challenge 317km - 4 stages 3/4
Wednesday 03 June 2026
66.63 km
2218 m
2218 m













