Daniel Stroinski, jokingly referred to as the “Silent Killer,” has appeared continuously on the podium of the toughest and longest runs in Poland and the world since 2013. He is also no stranger to orienteering, obstacle courses, or multi-day ultra, where each competitor plans his own route. His credits include. victory in the Butcher’s Run, twice winning Runmageddon Sahara, winning an edition of this run in the Caucasus mountains. One of his most recent ultra challenges and victories is the 280 km, 13,400 m up BUT Challenge, which he once again finished first.
