The longest and toughest kilometers in the Zittau Mountains
Passion, perseverance, versatility
The XTERRA O-SEE Ultra Trail is the ultimate challenge and a top-class nature experience in Germany's smallest low mountain range. Nestled in the border region of three countries, Poland, and the Czech Republic, the Zittau Mountains Nature Park offers a variety of challenging trails with a magnificent backdrop. Breathtaking views and an unforgettable running adventure are guaranteed.
The start and finish are located in the heart of the picturesque spa town of Oybin, framed by the silhouette of the eponymous mountain with its castle and monastery ruins and the striking, rugged sandstone cliffs. Perhaps the most famous of these, not high but nonetheless challenging to climb, is the Kelchstein (Chalice Stone), which also adorns the event medals.
The XTERRA O-SEE Ultra Trail will host the XTERRA European Trail Run Championship 2026 over the half marathon (XTERRA O-SEE 25k Single) and marathon distances (XTERRA O-SEE 50k Single).
Contact us
Do you have questions about the XTERRA O-SEE Ultra Trail or would you like to support us? We look forward to hearing from you!
It's a running event for ambitious athletes, passionate recreational runners, and the whole family. Routes up to 100 km in length are just as much a part of the program as beginner trails or short cross-country courses for kids.
Wow, that's cool! Experience your cross-country adventure with your four-legged friend. You can choose between two fantastic routes.
The routes
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Event Area
In the heart of the Zittau Mountains Nature Park
