O-SEE Ultra Trail is the ultimate challenge, a tiny adventure and an awesome experience for all nature seekers. A must visit event located in the smallest of German low mountain ranges.
XTERRA is a global lifestyle brand that champions the outdoor enthusiast in their pursuit of relentless adventure. Since 1996, XTERRA has organized off-road triathlon and trail running events across the globe, connecting a diverse community of athletes united by shared passion for outdoor exploration and sustainable adventure.
More XTERRA Sports info and eventsSun, Jun 21, 2026
486 m from OybinMarathon Run Trail Ultra
Fri, Aug 14, 2026
With over 25 years of history, the O-SEE Challenge is one of the longest-running events on the XTERRA circuit. This three-day festival brings together elite, age-group, and youth athletes from around the world to take on the battle-tested trails of Zittau at Germany’s most renowned off-road triathlon.
Kids Road Run Sprint Super Sprint Trail Triathlon
Sun, Oct 04, 2026
Are you ready for a unique adventure? 🏃♂️ Come challenge the trails of the Mattoni Liberec Trail Run! With its 22 km course, this competition combines the vibrant energy of the city with the breathtaking landscapes of the surrounding nature 🌿. A perfect mix for thrill-seekers and outdoor race enthusiasts.
Run Trail
Mon, Nov 23, 2026
16.7 km from OybinRun Trail