At the Utmb, the Ultra-Trail Takes the Turn of the Supporters

Le Monde

Lean Left

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The Ultra-Trail du Mont-Blanc, which left Chamonix on Friday, attracts more and more spectators. A popularity that raises many questions, especially in terms of the environment.

Liberation

Lean Left

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While the start of the mythical race takes place on Friday, August 29, Olivier Bessy, researcher in the field of running and trailing, analyses for "Liberation" the environmental and social challenges of this extreme challenge.

Haiti24

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François d-Haene (left, red) and other competitors, starting from the Ultra-Trail du Mont-Blanc, in Chamonix (Haute-Savoie), on August 29, 2025. JEFF PACHOUD/AFP The clouds overburdening Mont Blanc did not discourage them, nor did the changing weather forecasts. "Come on! Galope, gallop!" In a night strated by the light of the frontals, a dense crowd gathered in the ascent of Notre-Dame de la gorge, which marks the end of the road to the Contami…