La Douze Mont-Blanc Passy 2027

22.05.2027Passy (France)

Pacing, fueling and crew sheet for the course you pick

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7 courses · 3.5–26.8 km2.2–16.6 mi · up to 1’460 m D+up to 4’790 ft D+

At a glance

La Douze Mont-Blanc Passy 2027 takes place on Saturday 22 May 2027 in Passy (Haute-Savoie, France). 7 courses from 3.5 to 26.8 km.

Longest course: Lachat'Ouille, 26.8 km with 1’460 m D+ (55 m per km: mountain terrain). Terrain: 46% trail, including 6 km of mountain trail (T2); 40% forest track and 15% road. Terrain data: © OpenStreetMap contributors.

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Welcome to the heights of Passy, facing the roof of Europe, to live an incredible trail experience! Between spruce forests, breathtaking views of Mont Blanc and technical trails, La Douze – Mont-Blanc…

From the organiser

7 courses

3.5km2.2mi
65 m D+213 ft D+
112 m D-367 ft D-
avg 2%
Le Chamois Blanc
22.05.
No index
GPX
7km4.3mi
340 m D+1’115 ft D+
360 m D-1’181 ft D-
avg 5%
Le Barmus
22.05.
No index
GPX
11.5km7.1mi
560 m D+1’837 ft D+
575 m D-1’886 ft D-
avg 5%
Les Miots
22.05.
No index
GPX
18.8km11.7mi
940 m D+3’084 ft D+
970 m D-3’182 ft D-
avg 5%
La Varanchette
22.05.
No index
GPX
26.8km16.6mi
1’460 m D+4’790 ft D+
1’519 m D-4’984 ft D-
avg 5%
Lachat'Ouille
22.05.
No index
GPX
–
Trail 12h
22.05.
No index
–
Relais à 2, 3 ou 4
22.05.
No index

Course analysis

26.8 km16.6 mi1’460 m D+4’790 ft D+

41effort kmⓘ26.8 km on the map · feels like 41 km16.6 mi on the map · feels like 41 km

D+: 1’460 m4’790 ft
D−: 1’519 m4’984 ft
Max alt.: 1’687 m5’535 ft
Steepest: 16%

Segments

Elevation profile: Lachat'Ouille

1’001 m – 1’687 m3’284 ft – 5’535 ft

Race plan

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Where to stay

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