Marathon du Mont-Blanc

23km du Mont-Blanc

Saturday, June 27, 2026 at 8:00 AM · Chamonix

24.1 KM
Distance
1,600 M D+
Elevation Gain
600 M D-
Elevation Loss
Route
Profile

TERRAIN — 45°56′N · 6°53′E

Under your feet

Surface

Way type

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Segments

Chamonix

Distance 0.0 km
Altitude 1,039 m
D+ 0 m
D- 0 m
11.6 km 531 m 207 m

Montroc

Distance 11.6 km
Altitude 1,369 m
D+ 531 m
D- 207 m
7.1 km 769 m 259 m

la Flégère

Distance 18.7 km
Altitude 1,878 m
D+ 1306 m
D- 466 m
5.4 km 294 m 129 m

Planpraz

Distance 24.1 km
Altitude 2,048 m
D+ 1600 m
D- 596 m

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23km du Mont-Blanc