Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

Athlos Hydro Trailrun

Name: Athlos Hydro Trailrun
Start: 2025-11-15
End: 2025-11-15
Location: Harderwijk

Harderwijk, Netherlands • 15 Nov 2025

The Athlos Hydro Trailrun will take place in Harderwijk on Saturday 15 November 2025. You can run between 12 and 42 kilometers. Visit the organization's website for the most recent information.

Netherlands Gelderland Harderwijk

Race information

Website Registration

42 km

Hardlopen 42 Km

30 km

Hardlopen 30km

22 km

Hardlopen 22 Km

12 km

Hardlopen 12 Km

Wandelen 12 Km

Visit the organization's website for the most recent information.

Trail runs nearby

Sat - Wed Oct 18-22

Dutch Backyard Ultra

Zeewolde - 7 km from Harderwijk

Backyard Ultra

7 km

The Dutch Backyard Ultra will take place in Zeewolde from Saturday 18 October 2025 to Wednesday 22 October 2025. This trail is organized by Trail Events. You can run 7 kilometers.

Saturday Oct 18

Trail 26 km Utrechtse Heuvelrug

Zeist - 39 km from Harderwijk

26 km

The Trail 26 km Utrechtse Heuvelrug will take place in Zeist on Saturday 18 October 2025. You can run 26 kilometers.

Sunday Oct 19

Bunkercross

Olst - 32 km from Harderwijk

The Bunkercross will take place in Olst on Sunday 19 October 2025. You can run between 6 and 11 kilometers.

Saturday Oct 25

Lage Vuursche Ultra

Baarn - 28 km from Harderwijk

50 km

100 km

The Lage Vuursche Ultra will take place in Baarn on Saturday 25 October 2025. This trail is organized by Trail Events. You can run between 50 and 100 kilometers.

UTMB Index

Saturday Oct 25

Posbank Trail

Velp - 45 km from Harderwijk

The Posbank Trail will take place in Velp on Saturday 25 October 2025. This trail is organized by Cairn Adventures. You can run between 6 and 24 kilometers.

Sunday Oct 26

Bosloopcompetitie Harderwijk

The Bosloopcompetitie Harderwijk will take place in Harderwijk on Sunday 26 October 2025. You can run between 5 and 15 kilometers.