

DETOURS & CLOSURES
To ensure the safety of all guests, spectators, and athletes, some hiking trails and routes in the Aletsch Arena will be diverted or temporarily closed during the race times. On our SwissTopo overview map, you’ll find all affected stages and times, as well as detailed information about detours and race schedules further down.
The Mountain Bike World Championships with the Enduro & E-Enduro races will take place in the Aletsch Arena and Bellwald on the following dates:
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Saturday, August 30, 2025 (Training)
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Sunday, August 31, 2025 (Swiss Enduro Series)
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Monday, September 1, 2025 (Enduro & E-Enduro World Championships)
Legend Overview Map:
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Green: Detours
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Blue: Bike transfers (These sections remain accessible but with increased bike traffic.)
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Red: Race course
RIEDERALP
Stage Riederalp – The Flow Must Go On
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This stage runs from Blausee via Greicheralp to the Mittele stables. During race times, please use the detour via Gopplerlickaweg through Scheeboduegg and Salzgäb back to Riederalp.
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Race schedule:
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Saturday, August 30, 2025 | 10:45 – 12:45 (Training)
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Monday, September 1, 2025 | 09:45 – 14:45 (Enduro & E-Enduro World Champs)
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Note: On Sunday, August 31, 2025, no races will take place in Riederalp.
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BETTMERALP & BETTMERHORN
E-Bike Stage Bettmerhorn – Glacier Express Ride
The E-Bike stage runs from Hohbalm to the mountain restaurant. Detours are signposted around the race course.
Race schedule:
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Saturday, August 30, 2025 | 08:25 – 08:55 & 10:45 – 11:20 (Training)
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Sunday, August 31, 2025 | 10:15 – 11:00 (SES-E)
Stage Bettmerhorn – Glaciara Trail
This stage runs from Bettmerhorn via Hohbalm to Biel. Detours to Bettmerhorn or towards Märjela are possible via “Uf de Setzu.”
Race schedule:
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Saturday, August 30, 2025 | 08:30 – 12:30
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Sunday, August 31, 2025 | 09:00 – 12:30
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Monday, September 1, 2025 | 09:30 – 12:15 & 13:25 – 14:25
E-Bike Stage Wurzenbord – E-Scalator
During the race times, Wurzenbord can only be reached via detours to Herrenweg.
Race schedule:
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Saturday, August 30, 2025 | 11:55 – 12:30
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Monday, September 1, 2025 | 14:20 – 15:20
Stage Schönboden (Bättmerhitta) – Blue Berry Trail
This stage crosses the Herrenweg at Bättmerhitta. Marshals will regulate passage here. If no athletes are passing, the trail will be open for hikers. Short waiting times may occur as athletes start at 30-second intervals.
Race schedule:
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Saturday, August 30, 2025 | 09:40 – 12:50
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Monday, September 1, 2025 | 08:40 – 11:25 & 14:45 – 15:45
FIESCHERALP
Stage Talegga – Alpine Rodeo
During the race times, you may occasionally encounter a rider on the road towards Märjela. However, no racing will take place on this section – it’s only a transfer.
Race schedule:
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Saturday, August 30, 2025 | 14:30 – 15:05
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Monday, September 1, 2025 | 09:05 – 10:05
Stage Fiescheralp – Old School DH
This stage follows the old downhill track down to Fiesch. Detours are available via the road to Fiescherstafel or via the hiking trail Matt – Firnegarte – Birchi to Fiesch.
Race schedule:
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Saturday, August 30, 2025 | 09:15 – 11:05 & 12:15 – 15:20
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Sunday, August 31, 2025 | 09:45 – 13:15 & 11:15 – 12:00
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Monday, September 1, 2025 | 09:20 – 10:20 & 11:15 – 14:00
FIESCHERTAL
E-Bike Stage Brüchera – Greenferno
A short uphill stage in Brüchera. Detour via Gandweg during race times.
Race schedule:
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Saturday, August 30, 2025 | 15:35 – 16:10
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Monday, September 1, 2025 | 10:10 – 11:10
FIESCH
E-Bike Stage Fiesch – 99 Rocks
This stage starts in the center of Fiesch at the Biel Bridge and leads over the path “Ob dem Biel.” Detour via Obermatta Road.
Race schedule:
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Saturday, August 30, 2025 | 10:10 – 10:40 & 13:30 – 14:05
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Sunday, August 31, 2025 | 12:00 – 12:45
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Monday, September 1, 2025 | 08:05 – 09:05
Stage Gibelegga – Back to the Roots
This stage runs from St. Anna Chapel via Gibelegga down to Fiesch. Detours via Bellwalderstrasse to the big curve at Gibelegga, as well as via Wichel and Wysswasser back to Fiesch.
Race schedule:
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Saturday, August 30, 2025 | 13:10 – 17:35
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Sunday, August 31, 2025 | 13:40 – 17:10
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Monday, September 1, 2025 | 11:50 – 17:30
BELLWALD
Stage Bellwood – Lord of the Rims
In the Bellwald Bike Park, the race follows the official trail “Lord of the Rims.”
Race schedule:
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Saturday, August 30, 2025 | 12:30 – 14:20 & 15:10 – 17:15
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Sunday, August 31, 2025 | 13:00 – 16:30
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Monday, September 1, 2025 | 11:15 – 12:15 & 14:05 – 16:05
