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Combines rugged nature with pure walking enjoyment.

Explore Hollandse Duinen National Park on beautiful unpaved trails through beach, dunes and forest. Choose from three different distances (also for runners). With walking routes of 13 km, 21 km and 42 km, there’s a challenge for everyone. The marathon distance (42 km) starts in Katwijk aan Zee, while the 21 km and 13 km start in Noordwijk aan Zee. All distances finish at Vuurtorenplein in Noordwijk aan Zee. A unique event where nature, movement and experience come together.