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..

Harder Run

Name: Harder Run
Start: 2025-05-10
End: 2025-10-26
Location: Interlaken

Interlaken, Switzerland • 10-26 May-Oct 2025

The Harder Run will take place in Interlaken from Saturday 10 May 2025 to Sunday 26 October 2025. Visit the organization's website for the most recent information.

Switzerland Interlaken

Race information

Website Registration

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

Trail runs nearby

Fri - Sun Aug 15-17

Inferno Triathlon + Halbmarathon

Lauterbrunnen - 11 km from Interlaken

0 km

21 km

The Inferno Triathlon + Halbmarathon will take place in Lauterbrunnen from Friday 15 August 2025 to Sunday 17 August 2025. You can run 21 kilometers.

Saturday Aug 23

Rottenlauf

Obergoms VS - 41 km from Interlaken

13 km

The Rottenlauf will take place in Obergoms VS on Saturday 23 August 2025. You can run 13 kilometers.

Sat - Sun Aug 23-24

Runthrough Trails Engelberg

Engelberg - 44 km from Interlaken

25 km

56 km

100 km

The Runthrough Trails Engelberg will take place in Engelberg from Saturday 23 August 2025 to Sunday 24 August 2025. You can run between 25 and 100 kilometers.

Saturday Aug 30

Niederhorn Berglauf

Beatenberg - 5 km from Interlaken

8 km

The Niederhorn Berglauf will take place in Beatenberg on Saturday 30 August 2025. You can run 8 kilometers.

Fri - Sat Sep 5-6

Jungfrau-Marathon

...

The Jungfrau-Marathon will take place in Interlaken from Friday 5 September 2025 to Saturday 6 September 2025. You can run between 9 and 42 kilometers.

Fri - Sun Sep 19-21

Wildstrubel by Utmb

Kandersteg - 26 km from Interlaken

...

The Wildstrubel by Utmb will take place in Kandersteg from Friday 19 September 2025 to Sunday 21 September 2025. You can run between 10 and 113 kilometers.

UTMB Index