TrailSwitzerlandValais

Semi-Marathon Aletsch2027

20.06.2027Bettmeralp (Switzerland)Dates to be confirmed

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1 course · 21.1 km

1 course

21.1km
1’148 m D+
450 m D-
avg 5%
Semi-Marathon
20.06.
No index
GPX

Course analysis

Semi-Marathon21.1 km1’148 m D+

33effort kmⓘ21.1 km on the map · feels like 33 km

D+: 1’148 m
D−: 450 m
Max alt.: 2’651 m
Steepest: 15%

Segments

Elevation profile: Semi-Marathon

1’924 m — 2’651 m

Feels like these

Race plan

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Pacing, aid stations and fueling timed to your effort on Semi-Marathon Aletsch, in one roadbook.

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The race

A mountain trail race in the UNESCO World Heritage site of the Aletsch Glacier, featuring a challenging ascent from 1,950m to 2,650m with panoramic views of the glacier and Valais 4000ers.

Where to stay

Find a place to stay near Bettmeralp for the race.

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