Elevation profile — 23km du Mont-Blanc 2027
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About 23km du Mont-Blanc
23km du Mont-Blanc is a premier ultra race held annually in Chamonix. The 2027 edition covers 23km.
Course map
Course map — 23km du Mont-Blanc 2027
The route will appear here as soon as parsed GPX coordinates are available.
Race logistics
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Race intelligence
Aid stations
Figures not yet reviewed for the 2027 edition
| Aid station | km | Cutoff | Drop bag | Crew |
|---|---|---|---|---|
| Ravitaillement de Montroc | 11.4 | 2h30 | — | — |
| Ravitaillement de la Flégère | 18.4 | 4h30 | — | — |
Data sourced from the official race website. Always verify with the official race guide before race day.
Mandatory kit
Mandatory gear
Figures not yet reviewed for the 2027 edition
- ✓Téléphone portable en état de fonctionnement
- ✓Réserve d’eau de 0,50 litre minimum
- ✓Veste imperméable avec capuche (type gore-tex) adaptée à sa taille
- ✓Couverture de survie (140cm x 200cm)
- ✓Gobelet
- ✓Sifflet
- ✓Argent liquide
Data sourced from the official race website. Always verify with the official race guide before race day.
Travel
Getting there
The race starts in Chamonix, France. Use TrailCompanion's transport planner to find trains, flights, and rideshares from your city.
Open the transport planner for Chamonix, France →Data sourced from the official race website. Always verify with the official race guide before race day.
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