Updates to the XTERRA O-SEE Challenge 2026 briefing
Please note that this is only an excerpt of the most important new features .
We strongly recommend that all athletes attend the official race briefing, as all competition-relevant information, course details, and any last-minute changes will be announced there. You can find the dates and times of the individual briefings in the event program.
In addition, you will receive our Athlete Guide 2026 in the coming days with all important information about the XTERRA O-SEE Challenge, the competition schedule and organizational information.
Important innovations in 2026
32-inch mountain bikes allowed.
From the 2026 season onwards, 32-inch mountain bikes are also allowed in cross-triathlon according to the current regulations of the DTU.
Re-entry to the baggage tent:
After leaving the transition area towards the swim start, it is possible to re-enter the baggage tent from the outside.
Changes to Time Penalties:
Time penalties imposed on the XTERRA course must be served by all athletes in the penalty box. For all other competitions, penalties will continue to be issued as stop-and-go penalties in the transition zone.
Briefing 2026
