Registration open!

Last updated: 22 January 2021

16? 35? 50 or 70? Or 100km perhaps? Choose your distance and sign up for Bison Ultra-Trail®.
Join us on 2nd and 3rd October and embark on a magical journey deep into the Knyszyńska Primaeval Forest ???.

Register now – let it be your motivation for 2021!?

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