Szutroza - Bydgoski Szlak Rzeczny in 2025, a cycling event organized in Bydgoszcz (Poland) on 24 May. During the 3 races were held event. Course 100k (⨦ 98.5 km / + 500 m) in class GDX2 with average terrain slope 0% (G0). Course 150k (⨦ 148.5 km / + 600 m) in class GDX3 with average terrain slope 0% (G0). Course 245k (⨦ 246 km / + 1 000 m) in class GDX5 with average terrain slope 0% (G0).