Szutroza - Szlak Dolnośląskich Zamków i Pałaców in 2025, a cycling event organized in Bolesławiec (Poland) on 26 April. During the 3 races were held event. Course 95k (⨦ 93 km / + 750 m) in class GDX2 with average terrain slope 1% (G1). Course 145k (⨦ 147 km / + 850 m) in class GDX3 with average terrain slope 1% (G1). Course 240k (⨦ 240.5 km / + 1 900 m) in class GDX5 with average terrain slope 1% (G1).