TORX® with Kailas 2025

TORX® with Kailas is the iconic “race above the clouds” that follows the Alta Via 1 and Alta Via 2 trails across the Aosta Valley, beneath the region’s majestic 4,000-metre peaks.

Widely regarded as one of the world’s toughest endurance trail races, TORX® is much more than a competition. Every year, it brings together 2,900 athletes from 112 countries, all ready to challenge themselves across some of the most spectacular mountain landscapes in the Alps.

The Races

TOR450 – Tor des Glaciers
450 km | 32,000 m of elevation gain
Start: 11 September, 8:00 pm – Courmayeur

TOR330 – Tor des Géants®
330 km | 24,000 m of elevation gain
Start: 13 September, 10:00 am & 12:00 pm – Courmayeur

TOR130 – Tot Dret
130 km | 12,000 m of elevation gain
Start: 15 September, 9:00 pm – Gressoney-Saint-Jean

TOR100 – Cervino–Monte Bianco
100 km | 8,000 m of elevation gain
Start: 16 September, 9:00 pm – Breuil-Cervinia

TOR30 – Passage au Malatrà
30 km | 2,000 m of elevation gain
Start: 19 September, 10:00 am – Saint-Rhémy-en-Bosses

TORX® with Kailas is a genuine journey of self-discovery, leading participants along breathtaking mountain trails, alpine huts and the extraordinary landscapes of the Aosta Valley. An unforgettable adventure to experience at least once in a lifetime—whether as an athlete, a volunteer or simply as a spectator.

Courmayeur is the beating heart of the event. It hosts the starts of the longest races and the finish line of every competition, transforming the village into a vibrant international celebration for an entire week, welcoming athletes and supporters from 112 countries.