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Trail des Aiguilles Rouges 2026

Trail des Aiguilles Rouges

September 27, 2026Chamonix-Mont-Blanc, France
View roadbooknew
50.4kmDistance
+3,765mElevation
3,765mD−

Metrics from the available track

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Enriched elevation profile. Elevation derived from ign_rge_alti_wld

The Chamonix valley viewed from Mont Corbeau, with the Aiguilles Rouges.
Photo:RémihCC BY-SA 4.0 · adapted image

Route reference

Prepare the Trail des Aiguilles Rouges route

The Trail des Aiguilles Rouges 2026 page brings together published data for this running route.

The route is listed from Chamonix-Mont-Blanc, France to Chamonix-Mont-Blanc, France, with 50 km and 3,700 m D+ on the page.

Listed organiser: Chamonix Mont-Blanc Marathon.

Start / area
Chamonix-Mont-Blanc, France
Finish
Chamonix-Mont-Blanc, France
Edition
2026
Distance
50 km
Elevation gain
3,700 m D+

GPX track and calculated values

Calculated values for this track: 50.4 km of distance calculated from the GPX track · 3,765 m ascent calculated with ign_rge_alti_wld.

Distance follows the GPX geometry; ascent uses elevations derived from ign_rge_alti_wld. These calculations remain separate from the organiser's figures.

  • Source-page value: 50 km; distance calculated from the GPX: 50.4 km.
  • Source-page value: 3,700 m ascent; ascent calculated with ign_rge_alti_wld: 3,765 m.

Sources reviewed

Official sources: 1 · sources with a recorded review date: 1. Updates from the organiser always take precedence.

Latest recorded check: 16 September 2026.

Frequently asked questions

Is the Trail des Aiguilles Rouges GPX available?

Yes. The track and its profile can be viewed here, and the file is available as a free download from this page.

Do these details replace the organiser's instructions?

No. This page makes sources easier to consult and separates published data from GPX calculations. Check the latest official instructions before the start.

Other catalogue routes

Reviewed information

Preparation and points to check

Differences and information still uncertain

These items are shown explicitly so an approximation is never presented as official data.

  • Discovery track provided by a third party; its origin and edition are unknown.
  • Times, checkpoints and supplies are not recorded without explicit publication.

Check the information

Sources and provenance

These links point to the documents used. The organiser's instructions remain authoritative if they change.

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