Event Overview
| Date | Aug 25 - Sep 6, 2026 |
| Location | 🇨🇭 Le Bouveret, Valais, Switzerland |
| Format | 200+ Mile |
| Terrain | Mountain |
| Region | Europe |
| Distance | 643 km |
| Elevation gain | 43,800 m D+ |
| Elevation loss | 43,800 m D- |
| Cutoff | Expected duration: 9-12 days |
| Start | 20:00 from Le Bouveret |
| Field size | 100 athletes |
| Highlights | Alpine Traverse, Ultra-Expert, 10th Edition |
Course & Terrain
Ultra-expert alpine journey linking a staged first section with the long Legend route back to Le Bouveret.
Key course features to know before comparing this race:
- Le Bouveret start
- Alpine glacier and Lake Geneva terrain
- Brig transition into the Legend route
The organizer labels the route very alpine, technical, demanding, and suitable for runners with excellent mountain ability.
A route this long in Valais can move through hot valleys, storms, cold nights, and high-alpine exposure.
Entry & Logistics
| Qualification | Selection by runner CV, with SwissPeaks 360 finishing experience and/or a roughly 300 km finish listed as target background. |
| Entry fee | 1600 CHF / 1600 EUR from the November 9, 2025 tariff. |
| Support model | The first section uses base camps and mobile aid; the second section follows the Legend support model with aid stations and life bases. |
| Drop bags | A follower bag is handled by the organization and available at life bases. |
| Logistics note | Because the race can take up to twelve days, runners need to plan accommodation, support communication, sleep routines, and post-finish recovery like an expedition. |
Why This Race Matters
SwissPeaks Odyssey is a useful reference point for runners comparing long fixed-distance ultras that still unfold over multiple days. Its format, terrain, and support model shape the kind of preparation required: not just fitness, but pacing discipline, nutrition planning, foot care, and the ability to make good decisions under fatigue.
Best Fit
- Ultra-expert alpine runners with 300 km-plus experience
- Athletes who want a multi-day mountain expedition rather than a standard 200-mile race
- Runners comfortable with very long solo problem-solving in technical terrain
Planning Notes
- Prepare for sleep decisions, weather swings, and aid-station discipline. The distance is only one part of a multi-day fixed-distance race.
- Train for terrain-specific fatigue. Technical trails and mountain courses demand downhill durability, hiking efficiency, and reliable night lighting.
- This is not marked as a beginner-friendly event. Confirm qualification standards, support rules, and registration requirements before building a season around it.
- The field is small and selection-based
- The course combines technical mountain terrain with a very long time horizon
- Aid access and private support are limited by race rules
Event FAQs
How hard is SwissPeaks Odyssey?
The organizer labels Odyssey as ultra-expert, with 643 km and 43,800 m of ascent and descent.
How many runners can start SwissPeaks Odyssey?
The official race page lists a 100-athlete field.
Related Preparation
- Compare multiday running formats
- Use the multiday pace calculator
- Build a race-specific gear checklist
Sources
- Official SwissPeaks Odyssey page — https://swisspeaks.ch/lescourses/odyssey/
- Multiday Running event directory data, last reviewed June 2026.