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21 kmultra

Trail des Glières 21km

Thorens-Glières, Haute-Savoie

4 October 2026

21

km

~1,275

D+

2,000

max alt.

Course

The 21km format is one of the distance options available for this race. This distance offers a unique challenge suited to runners seeking a challenging trail race. The course shares the same terrain and atmosphere as the main event, with route sections specifically designed for this format. Check the official race page for detailed route information, aid station locations, cutoff times, and mandatory gear requirements specific to the 21km distance.

Practical info

Typeultra
https://www.traildesglieres.frEstimate my time

60 seconds. Built on the ITRA / UTMB / B-Trail databases.

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