The O-SEE Challenge is an international cross-triathlon festival that takes place every year at the Olbersdorfer See.
The competition is one of the most significant off-road triathlons in Germany and is part of the XTERRA series.
Athletes can expect a combination of swimming in the lake, mountain biking, and trail running in the natural landscape of the Zittau Mountains.
Pros and amateurs from all over Europe meet at the starting line.
The program also includes competitions for children and teenagers.
The event has a festival-like atmosphere and attracts numerous spectators.
A supporting program, an expo zone, and catering are also part of the action.
The O-SEE Challenge combines sports, nature, and international encounters.
