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..

Ultra Tour des 4 Massifs (UT4M)

Name: Ultra Tour des 4 Massifs (UT4M)
Start: 2026-07-16
End: 2026-07-19
Location: Seyssins

Seyssins, France • 16-19 Jul 2026

The Ultra Tour des 4 Massifs (UT4M) will take place in Seyssins from Thursday 16 July 2026 to Sunday 19 July 2026. You can run between 10 and 180 kilometers. Visit the organization's website for the most recent information.

France Isère Auvergne-Rhône-Alpes Seyssins

Race information

Website Facebook

UTMB 20K UTMB 50K UTMB 100K UTMB 100M

180 km

Ut4m 180 Xtrem

180 km

Concept Challenge 180

10 km

En 10k

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

Trail runs nearby

Sunday Feb 22

Trail du Grésivaudan

The Trail du Grésivaudan will take place in Crolles on Sunday 22 February 2026. You can run between 5 and 30 kilometers.

UTMB Index

Sunday Mar 1

Ronde du Saint-Marcellin

The Ronde du Saint-Marcellin will take place in Saint-Marcellin on Sunday 1 March 2026. You can run between 7 and 30 kilometers.

Sunday Mar 1

Cross des Sources

Varces-Allières-et-Risset

5 km

10 km

The Cross des Sources will take place in Varces-Allières-et-Risset on Sunday 1 March 2026. You can run between 5 and 10 kilometers.

Sat - Sun Mar 7-8

Sacré Trail des Collines

The Sacré Trail des Collines will take place in Tullins from Saturday 7 March 2026 to Sunday 8 March 2026. You can run between 15 and 37 kilometers.