Photo: Morgan Bodet / Marathon du Mont-Blanc / Source (opens in a new tab)Chamonix-Mont-Blanc
Marathon du Mont-Blanc
Thursday, 24 June 2027
Ultratrail 88km
88km D+ 5500m
Marathon 42km
42km D+ 2730m
Cross 23km
23km D+ 1200m
Trail 10km
10km D+ 500m
When is Marathon du Mont-Blanc 2027?
Thursday, 24 June 2027
Race date
Thursday, 24 June 2027
Chamonix-Mont-Blanc
230
230 days until the race
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Add race dateExpected weather
12° – 23°
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💧
43%
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💨
7 km/h
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☀️
14h
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Race summary
Distance
88K
Elevation Gain
5,500m D+
Terrain
Ultra Trail
Difficulty
Elite
Distances
| Ultratrail 88km | 88K | 5,500m D+ | – |
| Marathon 42km | 42K | 2,730m D+ | – |
| Cross 23km | 23K | 1,200m D+ | – |
| Trail 10km | 10K | 500m D+ | – |
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