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..

La Grésylienne Trail

Name: La Grésylienne Trail
Start: 2025-09-28
End: 2025-09-28
Location: Grésy-sur-Aix

Grésy-sur-Aix, France • 28 Sep 2025

The La Grésylienne Trail will take place in Grésy-sur-Aix on Sunday 28 September 2025. Visit the organization's website for the most recent information.

France Savoie Auvergne-Rhône-Alpes Grésy-sur-Aix

Race information

Website

UTMB 20K UTMB 50K

Trail 1

Trail 2

Trail 3

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

Trail runs nearby

Sunday Aug 31

Courses de la Rosière

Pontcharra - 33 km from Grésy-sur-Aix

The Courses de la Rosière will take place in Pontcharra on Sunday 31 August 2025. You can run between 5 and 10 kilometers.

Sunday Aug 31

Trail de la Grande Bambée

La Giettaz - 46 km from Grésy-sur-Aix

The Trail de la Grande Bambée will take place in La Giettaz on Sunday 31 August 2025. You can run between 10 and 44 kilometers.

UTMB Index

Saturday Sep 6

Sherpa Trail

La Thuile - 24 km from Grésy-sur-Aix

10 km

25 km

The Sherpa Trail will take place in La Thuile on Saturday 6 September 2025. You can run between 10 and 25 kilometers.

Sunday Sep 7

Trail des Chioures

Plateau-des-Petites-Roches - 40 km from Grésy-sur-Aix

The Trail des Chioures will take place in Plateau-des-Petites-Roches on Sunday 7 September 2025. You can run between 8 and 23 kilometers.

Sat - Sun Sep 13-14

Manigod Trail Challenge

Manigod - 37 km from Grésy-sur-Aix

The Manigod Trail Challenge will take place in Manigod from Saturday 13 September 2025 to Sunday 14 September 2025. You can run between 10 and 27 kilometers.

Sunday Sep 14

Cross de Coteaux de Crolles

Crolles - 49 km from Grésy-sur-Aix

11 km

24 km

The Cross de Coteaux de Crolles will take place in Crolles on Sunday 14 September 2025. You can run between 11 and 24 kilometers.