Big events need strong partners

The XTERRA O-SEE Challenge 2026 thrives on passion, team spirit, and people who share our vision. Therefore, we would like to sincerely thank our main sponsors this year.

With their generous support, they help to make unforgettable moments, top sporting performances and a truly goosebump-inducing atmosphere possible at the O-SEE.

We are proud to have these strong partners by our side — together we are making the XTERRA O-SEE Challenge something truly special.