For any inquiries concerning your UTMB World Series Event, please reach out to your local event representatives directly. This guarantees that your questions are swiftly addressed by those who are best equipped to assist with your specific needs.

UTMB World Series Events Contact Details

UTMB® World Series

Arc of Attrition by UTMB®

Tarawera Ultra-Trail by UTMB

Ultra-Trail Xiamen by UTMB®

Valhöll Fin del Mundo by UTMB

Chianti Ultra Trail by UTMB

Tenerife Bluetrail by UTMB®

Istria 100 by UTMB 

Desert RATS Trail Running Festival

Ultra-Trail Mount Yun by UTMB®

Grand Raid Ventoux by UTMB

The Canyons Endurance Runs™ by UTMB®

Amazean Jungle Thailand by UTMB

Trail Alsace Grand Est by UTMB

Ultra-Trail Australia by UTMB

Ultra-Trail Snowdonia by UTMB®

Ultra-Trail Great Wall by UTMB®

Mountain Ultra Trail by UTMB

mozart 100 by UTMB

Trail du Saint Jacques by UTMB

Trail 100 Andorra by UTMB

Kaga Spa Trail Endurance 100 by UTMB

Torrencial Chile by UTMB

La Sportiva Lavaredo Ultra Trail by UTMB

Western States® 100-Mile Endurance Run

HOKA Val D'Aran by UTMB®

Restonica Trail by UTMB®

Trail Verbier St Bernard by UTMB

Eiger Ultra Trail by UTMB

Monte Rosa Walserwaeg by UTMB

Speedgoat Mountain Races

Quito Trail Ecuador by UTMB®

KAT100 by UTMB

HOKA UTMB Mont-Blanc

Paraty Brazil by UTMB

Wildstrubel by UTMB®

Julian Alps Trail Run by UTMB

Grindstone Trail Running Festival

Nice Côte d'Azur by UTMB®

Kaçkar by UTMB

Ultra Trail Whistler by UTMB

Chihuahua by UTMB®

Kodiak Ultra Marathons by UTMB

Kullamannen by UTMB

Puerto Vallarta by UTMB®

Quindio Trail Colombia by UTMB

HOKA Chiang Mai Thailand by UTMB®

Ultra-Trail Kosciuszko by UTMB

Malaysia Ultra-Trail by UTMB 

Translantau by UTMB®

Mallorca

Ultra-Trail® Ninghai by UTMB

TransJeju by UTMB

Hoka

Dacia

Näak

Suunto

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**[Arc of Attrition by UTMB](https://arcofattrition.utmb.world/faqs)** 
**[Chianti by UTMB](https://chianti.utmb.world/contact)** 
**[Eiger Ultra-Trail by UTMB](https://eiger.utmb.world/get-involved/join-the-adventure/contact-us)** 
**[Istria 100 by UTMB️](https://istria.utmb.world/contact)** 
**[Julian Alps Trail Run by UTMB](https://trailrun.si/en/contact/)** 
**[KAT100 by UTMB](https://kat.utmb.world/get-involved/contact)** 
**[Kullamannen by UTMB](https://kullamannen.utmb.world/contact)** 
**[Lavaredo Ultra Trail by UTMB](https://lavaredo.utmb.world/contact)** 
**[Mallorca Serra de Tramuntana by UTMB](https://mallorca.utmb.world/contact)** 
**[Monte Rosa WalserWaeg by UTMB](https://mrww.utmb.world/contact)** 
**[Mozart 100 by UTMB](https://mozart.utmb.world/contact)** 
**[Nice Côte d’Azur by UTMB](https://nice.utmb.world/contact)** 
**[Restonica Trail by UTMB](https://www.restonicatrail.contacter-lassociation/)** 
**[Tenerife Blue Trail by UTMB](https://tenerife.utmb.world/contact)** 
**[Trail 100 Andorra by UTMB](https://andorra.utmb.world/contact)** 
**[Trail Alsace Grand Est by UTMB](https://alsacegrandest.utmb.world/contact)** 
**[Trail du Saint-Jacques by UTMB](https://saint-jacques.utmb.world/contact)** 
**[Trail Verbier St Bernard by UTMB](https://verbier.utmb.world/contact)** 
**[Ultra-Trail Snowdonia by UTMB](https://snowdonia.utmb.world/contact)** 
**[HOKA UTMB Mont Blanc](https://montblanc.utmb.world/contact)** 
**[HOKA Val d’Aran by UTMB](https://valdaran.utmb.world/contact)** 
**[Wildstrubel by UTMB](https://wildstrubel.utmb.world/contact)**

Europe

**[Desert Rats by UTMB](https://desertrats.utmb.world/contact)** 
**[Grindstone by UTMB](https://grindstone.utmb.world/contact)** 
**[Kodiak Ultra Marathon by UTMB](https://kodiak.utmb.world/contact)** 
**[PuertoVallarta Mexico by UTMB](https://puerto-vallarta.utmb.world/contact)** 
**[Speedgoat by UTMB](https://speedgoat.utmb.world/contact)** 
**[The Canyons Endurance Runs by UTMB](https://canyons.utmb.world/contact-us)** 
**[Western States Endurance Run](https://www.wser.org/contact-us/)** 
**[Ultra Trail Whistler by UTMB](https://whistler.utmb.world/contact)**

North America

**[Paraty By UTMB](https://paraty.utmb.world/contact)** 
**[Quito Trail by UTMB](https://quito.utmb.world/contact)** 
**[Valholl Ultra Trail by UTMB](https://valholl.utmb.world/contact)**

South America

**[Amazean Jungle Thailand by UTMB](https://amazean.utmb.world/contact)** 
**[Chiangmai Thailand by UTMB](https://chiangmai.utmb.world/contact)** 
**[Malaysia Ultra-Trail by UTMB](https://malaysia.utmb.world/contact)** 
**[TransJeju by UTMB](https://transjeju.utmb.world/contact)** 
**[Translantau by UTMB](https://translantau.utmb.world/contact)** 
**[Ultra-Trail Mont Yun by UTMB](https://mount-yun.utmb.world/contact)** 
**[Ultra-Trail Ninghai by UTMB](https://ninghai.utmb.world/contact)**

Asia

**[Tarawera Ultramarathon By UTMB](https://www.taraweraultra.co.nz/contact/)** 
**[Ultra-Trail Australia by UTMB](https://uta.utmb.world/contact)** 
**[Ultra-Trail Kosciuszko by UTMB](https://kosciuszko.utmb.world/contact)**

Oceania

**[Mountain Ultra Trail by UTMB](https://mut.utmb.world/contact)** 
**[Mauritius by UTMB](https://mauritius.utmb.world/contact)**

Africa

[Contact the UTMB World Series Team](https://utmb.world/contact)

UTMB World Series

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