Les Courses du Grand Ballon - Willer-sur-Thur

Willer-sur-Thur, France • 4 May 2025

Les Courses du Grand Ballon, organized by US Thann Athlétisme, is a renowned mountain running and trail event held in Willer-sur-Thur. Celebrating over 40 years, it features three distinct courses: the challenging Montée du Grand Ballon (14.2 km, 1220m elevation gain), the Défi du Grand Ballon (25 km, 1320m elevation gain), and the Mini-Trail de l'Ostein (9 km, 350m elevation gain). The event is open to all participants and offers stunning views of the Vosges mountains. Free shuttle services are provided for runners between the summit and the starting point. Visit the organization's website for the most recent information.

Race information

25 km
1320 m+
Le Défi du Grand Ballon
14 km
1220 m+
La Montée
9 km
350 m+
Le Mini-Trail de L'ostein
Visit the organization's website for the most recent information.
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