Wish One Millau Grands Causses
📍 Millau, France
gravel
Date
14 June 2026
Distance
80km · 130km
Elevation
2,500 m
Difficulty
gravelmtbroad
Serre Chevalier Altitude Challenge 2026
Provence-Alps-Azure Coast, France · 05 July 2026
Difficulty: 4/5 — Very hard
The Serre Chevalier Altitude Challenge 2026 offers two 100km routes, each with 3500m of challenging climbing in the French Alps, designed for gravel, road, and mountain bikes.
Visit official site →- Distances
- 100km
- Elevation
- 3,500 m
- Surface
- gravel, tarmac, singletrack, dirt
- Typical W/kg
- 3–4
Rider fit
Who it's for
This event is ideal for strong climbers who enjoy a unique format of repeatedly tackling challenging ascents from a central hub to accumulate climb times for a ranking.
Who will struggle
Riders unaccustomed to significant, repeated climbing or high-altitude efforts will find this event particularly demanding.
Training focus
Training should heavily focus on sustained hill climbing, high-intensity interval training, and endurance to manage repeated efforts over several hours in mountainous terrain.
Are you ready for this race?
Compare your W/kg to see how you stack up against this race's typical level — and which races fit you best right now.
FAQs
What are the available routes and their distances?+
The event offers two routes, both 100 km long with 3500 m of elevation gain.
What types of bikes are suitable for this challenge?+
The Serre Chevalier Altitude Challenge is suitable for gravel bikes, road bikes, and mountain bikes, with specific routes offered for gravel and road.
When and where will the event take place?+
The event is scheduled for Sunday, 05 July 2026, with departure from Briançon, located in the Hautes-Alpes department of the Provence-Alps-Azure Coast region in France.
What is the format of the Serre Chevalier Altitude Challenge?+
Participants start from a central hub, climbing in different directions up to five times, returning to the hub after each descent; rankings are based on accumulated ascent times.
Is there a limit on the number of participants?+
Yes, the event is limited to 500 participants.
Are there any facilities provided at the event?+
Yes, facilities include car parking, changing rooms, food supplies, a guarded bike shed, medical assistance, and toilets.