Athlete check-in & Late Registration
Event Area O-SEE UltraTrail, Bürgerallee, 02797 Oybin (map)
XTERRA O-SEE 100K Ultra Trail Run is for the long-distance endurance purists, and requires good mountain and trail race experience, plus both the physical and technical skills required to overcome the challenge of an ultra distance trail run.
Event Area O-SEE UltraTrail, Bürgerallee, 02797 Oybin (map)
Event Area O-SEE UltraTrail, Bürgerallee, 02797 Oybin (map)
Event Area O-SEE UltraTrail, Bürgerallee, 02797 Oybin (map)
Event Area O-SEE UltraTrail, Bürgerallee, 02797 Oybin (map)
Event Area O-SEE UltraTrail, Bürgerallee, 02797 Oybin (map)
Event Area O-SEE UltraTrail, Bürgerallee, 02797 Oybin (map)
Single: 1st to 6th place M/F overall will be awarded.
Team Duo: 1st teams DUO M/F/MIX will be awarded.
After your registration, you will receive your personal registration confirmation by email. This entitles you to pick up your starting documents at the starting documents desk. You can only pick up your race documents without a registration confirmation upon presentation of your identity card.
Underage participants require the written consent of both legal representatives to start. This must be presented when collecting the starting documents.
The payment of the entry fees takes place directly during the online registration. The organisers have commissioned the company Baer-Service GmbH to handle the payment transactions. On the day of the competition, the entry fee can be paid in cash or by card and mobile payment services on site.
Special regulation due to the corona pandemic: In the event of a complete cancellation of the event due to official or legal orders, the entry fee will be refunded minus a processing fee. This fee is €10.00 for the Trail Runs and €4.00 for the Light Run. For the Kids Runs, the starting place will be transferred to the year 2023 in the form of a credit note.
Late entries are possible on site only upon availability up until 30 minutes before the start. The fee is € 10.00 in addition to the entry fee.
The organisation fee includes the following services:
O-SEE starter bag with giveaway
Finisher medal for all participants
Prizes for 1st - 6th place finishers M/F of each course (Trail Runs), for the first team DUO M/F/Mix (100k, 75k, 50k and 25k), for the first-placed M/F under 18s to Masters or 3 first-placed M/F under 6s to under 16s (Light and Kids Runs).
Printing of certificates directly at the finish line upon personal request and online for downloading
Electronic time recording with transponder system
Live GPS tracking for the 100k, 75k, 50k and 25k courses
Catering in the finish area and on the courses
Carb loading and pasta dinner on Friday, 17th October 2025, 5:00 pm to 8:00 pm (reservation with online registration)
Changing and shower facilities
Luggage storage in the start/finish area
Individual runner photos by Sportograf (photos can be purchased after the event)
Comprehensive medical care along the course by the DRK and the Zittau Mountains mountain rescue service as well as a senior accident doctor
4 ITRA points, UTMB Qualifier 50K.
Minimum required age: 18 during the year.
Limited to 50 participants.
Qualifying for the O-SEE 100k requires at least one successful trail race of no less than 75 kilometers completed within the advertised cut-off time within the last 5 years. The race must be specified during registration.
For all Trail Runs we recommend taking the following equipment with you:
Mobile phone with the emergency number stored and the possibility to send location data via WhatsApp, SMS or similar application
GPX-capable phone or navigation watch with the stored track/route data of the respective route
First Aid Kit (tape bandage, elastic bandage, compress, plaster)
Closed trail running shoes with tread sole
Weatherproof clothing
Running backpack
Safety whistle
It is compulsory to bring the following equipment:
100k/75k/50k/25k/16k: Drinking container to receive drinks at the refreshment points
100k/75k/50k/25k: GPS tracker device (will be available for pickup at the check-in in the start/finish are
100k/75k/50k: Water container with at least 1 litre of liquid
100k/75k/50k: Energy gels & bars
100k/75k/50k: Mobile phone (which must be able to make calls abroad)
100k/75k/50k: GPX-capable phone or navigation watch with the stored track/route data of the respective route
100k/75k: Headlamp
100k/75k: ID and Health insurance card
In the event of the race being abandoned at a refreshment point, the start number (and GPS tracker) must be handed in or, in the event of a "wild" exit on the course, the organisation office must be informed immediately by telephone. A contact telephone number can be found on the race number. In the event of failure to do so, any search and rescue costs incurred may be charged to the participant.
In the event of abandonment, there is no entitlement to return transport, even if this is attempted within the scope of possibilities.
In case of an acute health emergency, please dial the emergency number 112 immediately.
Anyone who leaves the running course, does not follow the regulations, does not pass a control post, behaves in an unsportsmanlike manner or abuses doping will be disqualified.
Dogs are not allowed as companions on the course.
The conditions of the organisers O-SEE SPORTS e. V. according to the announcement, competition regulations and organisational guidelines as well as the conditions of participation are binding.
XTERRA is a global lifestyle brand that champions the outdoor enthusiast in their pursuit of relentless adventure.
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