Obstacle Run Alphen 2026-06-05 4km; 8km; 12km Alphen aan den Rijn / Netherlands Visit Event Website → About This Event Location Alphen aan den Rijn Country Netherlands Date 2026-06-05 Distances 4km; 8km; 12km Why This Event Dutch lakeside obstacle race with 15 obstacles on 4km, 25 on 8km, and 40 on 12km featuring water crossings and cargo climbs More Runs in Netherlands View all runs in Netherlands