Trail Running calendar near Spaarndam Gem. Haarlem 2025-2026

The Amersfoort City Trail will take place in Nijkerk on Sunday 22 March 2026. You can run between 7 and 13 kilometers.

The Bosloopcompetitie Harderwijk will take place in Harderwijk on Sunday 29 March 2026. You can run between 5 and 15 kilometers.

The De Zestig van Texel will take place in Oosterend on Sunday 29 March 2026. You can run 70 kilometers.

The Nijkerk City Trail will take place in Nijkerk on Wednesday 8 April 2026. You can run between 6 and 12 kilometers.

The RopaTrail Vierhouten will take place in Vierhouten on Sunday 12 April 2026.

The Amerongse Berg Trail will take place in Overberg on Sunday 12 April 2026. This trail is organized by Trail Events. You can run between 12 and 21 kilometers.

The Houttrail Delft will take place in Delft on Sunday 19 April 2026. You can run between 13 and 35 kilometers.

The Bosloopcompetitie Harderwijk will take place in Harderwijk on Sunday 26 April 2026. You can run between 5 and 15 kilometers.

The Austerlitz Trail will take place in Zeist from Saturday 9 May 2026 to Sunday 10 May 2026. This trail is organized by Trail Events. You can run between 10 and 30 kilometers.

The Utrechtse Heuvelrug Ultra Trail (UHUT100) will take place in Doorn from Saturday 30 May 2026 to Sunday 31 May 2026. This trail is organized by Trail Events. You can run between 50 and 100 kilometers.

The Uilentoren Loop Leersum will take place in Leersum on Saturday 6 June 2026. You can run between 5 and 15 kilometers.

The Hooge Vuursche Trail will take place in Baarn on Saturday 13 June 2026. This trail is organized by Trail Events. You can run between 7 and 21 kilometers.

The Vuurtorenloop Hoek van Holland will take place in Hoek van Holland on Friday 19 June 2026. You can run between 6 and 21 kilometers.

The Amerongse Berg Trail will take place in Overberg on Sunday 12 July 2026. This trail is organized by Trail Events. You can run between 12 and 21 kilometers.

The Veluwse Ultra Trail (VUT100) will take place in Elspeet from Saturday 25 July 2026 to Sunday 26 July 2026. This trail is organized by Trail Events. You can run between 50 and 100 kilometers.

The Stakenberg Trail will take place in Elspeet on Saturday 15 August 2026. This trail is organized by Trail Events. You can run between 10 and 30 kilometers.

The Austerlitz Trail will take place in Zeist on Saturday 29 August 2026. This trail is organized by Trail Events. You can run between 10 and 30 kilometers.

The Austerlitz Ultra will take place in Zeist on Sunday 30 August 2026. You can run 50 kilometers.

The Zwemloop Wassenaar will take place in Wassenaar on Sunday 30 August 2026. You can run between 5 and 10 kilometers.

The Tikkende Klok Challenge will take place in Zandvoort on Sunday 6 September 2026. You can run 42 kilometers.