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Devils Challenge - Čertovská výzva - 666 km

Name: Devils Challenge - Čertovská výzva - 666 km
Start: 2026-05-30
End: 2026-06-06
Location: Hamr na Jezeře

Hamr na Jezeře, Czechia • 30-6 May-Jun 2026

The Devils Challenge - Čertovská výzva - 666 km will take place in Hamr na Jezeře from Saturday 30 May 2026 to Saturday 6 June 2026. You can run between 666 and 666 kilometers. Visit the organization's website for the most recent information.

Czechia Liberecký kraj Hamr na Jezeře

Race information

Registration

666 km

8 Etap, 666 Km, Dvojice

666 km

8 Etap, 666 Km, Jednotlivci

666 km

8 Etap, 666 Km, Trojice

4 Etapy Z 8, Jednotlivci

4 Etapy, 5.-8. Etapa, Jednotlivci

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Nov 1

Jizerun

Jablonec nad Nisou - 23 km from Hamr na Jezeře

162 km

The Jizerun will take place in Jablonec nad Nisou on Saturday 1 November 2025. You can run 162 kilometers.

Saturday Nov 22

Čertovskej wintertrail

Hamr na Jezeře

17 km

33 km

The Čertovskej wintertrail will take place in Hamr na Jezeře on Saturday 22 November 2025. You can run between 17 and 33 kilometers.

Saturday Dec 6

Winter Skyrace

Ještěd - 11 km from Hamr na Jezeře

6 km

13 km

22 km

The Winter Skyrace will take place in Ještěd on Saturday 6 December 2025. You can run between 6 and 22 kilometers.

Sunday Dec 7

Běh Boudeckou roklí

Vojtěchov - 32 km from Hamr na Jezeře

7 km

The Běh Boudeckou roklí will take place in Vojtěchov on Sunday 7 December 2025. You can run 7 kilometers.

Saturday Jan 10

Leki Ještěd 24 Winter

Ještěd - 11 km from Hamr na Jezeře

Backyard Ultra

The Leki Ještěd 24 Winter will take place in Ještěd on Saturday 10 January 2026.

Sat - Sun Jan 10-11

Ještěd Winter Running Weekend

Ještěd - 11 km from Hamr na Jezeře

The Ještěd Winter Running Weekend will take place in Ještěd from Saturday 10 January 2026 to Sunday 11 January 2026. You can run between 10 and 24 kilometers.