Ultrakotlina 2025 - Ultramarathon in the Western Sudetes

UltraKotlina is one of the most demanding and at the same time spectacular running events in Poland. The routes go through the heart of the Sudetes, surrounding the Jelenia Góra Valley – from the Karkonosze Mountains, through the Janowice Highlands, the Kaczawskie Mountains, all the way to the Izera Mountains.

The run combines sports competition, the spirit of ultramarathon, and the beauty of mountain nature. Participants can choose from various distances, from shorter trail runs to extreme challenges for the most experienced ultramarathoners.

If you are a runner who loves nature and enjoys new challenges, this run is for you. Join the group of participants and feel the incredible energy that accompanies the Ultrakotlina runs in Szklarska Poręba.