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The Hub, Chamonix will be open from June 15 to September 15, 2025.
Please note, we are fully booked for the UTMB from August 25 to 31, 2025.
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Blog
Ibex, chamois, mouflon & deer in the Alps: What just ran by?

Here are a few ways to spot the differences between ibex, chamois, mouflon, and deer in the Alps.
TMB
Tour du Mont-Blanc Trail Running

The Tour du Mont-Blanc (TMB) is our most popular guided and self-guided tour. We offer multiple tour options each trail season.
FIlm Grants
Run the Alps x On Trail Running Film Grant – Call for Applications

Pitch us your idea for a short film with trail running in the Alps at its heart, and you could receive €5,000 to bring your story to life.