OCS Pyrénées Ariégeoises
📍 Occitanie, France
roadgravelmtb
Date
5–7 September 2026
Distance
350km · 150km
Elevation
8,000 m
Difficulty
gravelmtb
Sea To Peak
West to East across Brittany, Massif Central, and the Alps, France · 18 July – 2 August 2026
Difficulty: 5/5 — Brutal
The 2300km self-supported Sea To Peak is an extreme off-road ultra-distance challenge traversing France from West to East, featuring 42,000m of elevation gain across technical mountain trails and forgotten roads.
Visit official site →- Distances
- 2300km
- Elevation
- 42,000 m
- Surface
- gravel, dirt, singletrack, tarmac
- Typical W/kg
- 3–3.8
Rider fit
Who it's for
This event is for highly experienced ultradistance cyclists seeking an unparalleled physical and mental test across diverse French landscapes, completed in full autonomy.
Who will struggle
Beginners, road cyclists unaccustomed to technical terrain, or those without extensive bikepacking experience and extreme endurance will find this race exceptionally difficult.
Training focus
Training should prioritize sustained multi-day endurance, climbing ability, technical off-road bike handling, and self-sufficiency skills like navigation and gear repair.
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 is the race format?+
It's a self-supported, non-competitive ultra-distance bikepacking adventure where participants must follow a provided GPS trace, managing their own strategy, sleep, and breaks over 16 days.
What kind of terrain can I expect?+
The route is predominantly off-road, ranging from forgotten small roads to technical and demanding mountain trails, traversing the Massif Armoricain, Massif Central, and the Alps.
What are the key dates and deadlines for the 2026 edition?+
The race starts on Saturday, July 18, 2026, at 6:40 AM. Participants must cross the final checkpoint by Sunday, August 2, 2026, at 8:00 PM, allowing a maximum of 16 days.
Are there any checkpoints or tracking for the event?+
Yes, four strategic checkpoints are placed along the course to validate progression, and each participant is equipped with a MadCap GPS beacon for real-time tracking by supporters.
What are the main geographical features of the course?+
The route connects the westernmost point of continental France (Pointe de Corsen) to the highest village in Europe (Saint-Véran), climbing to a maximum altitude of 2,400m at the Col de Valbelle.
What bike type is recommended for the Sea To Peak?+
The event is resolutely off-road, so a suspended mountain bike or an ultra-robust gravel bike is recommended, with equipment chosen based on individual physical and technical capabilities.