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Contact form

Do you have a problem with your registration, a question about an event, a failure of payement? 

No problem, our hotline service is here to assist you.
In the field « message to send », please write the race for which you have a problem.

In case of emergency, do not hesitate to contact us at the number below. 

MSO Sàrl

Victor-Helg 18
2800 Delémont


Tel: +41 (0)32/493 32 61

Fax: +41 (0)32 493 60 42

Open: mon-fr
AM: 09h00-12h00
PM: 02h00-09h00




You will receive an answer ASAP, thank you.



After 2 seasons of the ISMF World Cup Ski Mountaineering, the international expansion of MSO Chrono carries on with Skyrunner World Serie. Skyrunner is the succession of the most symbolic Trails Running. The race has been won many times by the big name Kilian Jornet and it is also an old race that represents a relatively new running race. We are proud of this new partnership that will take us all around the world! This weekend we are heading to China with the first round called Yading Skyrun!


Our wish for 2015? Always to treat you better.

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