Défi de Derborence: A unique sporting challenge in the heart of nature

Get ready for the Derborence Challenge! This event combines mountain biking and trail running for an exceptional sporting experience between Vétroz, Aven and Les Mayens-de-Conthey. Discover the beauty of the Valais while outdoing yourself.

Available courses :

• Duathlon MTB - Trail solo 10.9km of mountain biking (754m D+) followed by 13.7km of trail running (708m D+).
• Mountain bike duathlon - Trail relay Share the effort, a mountain biker and a trailer.
• Trail only 13.7km trail with 708m of ascent.
• E-Bike 10.9 km of mountain biking (754 m D+) for fans of electric bikes.
• Gourmet E-Bike ride 25.8 km with a 1,216 m gradient, punctuated by four gourmet stops.

Join us for this unique challenge that combines sport, nature and conviviality. Sign up now and experience an unforgettable adventure in the Valais!