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

Nice Côte d'Azur by UTMB®

TransJeju by UTMB

Kodiak

Ultra-Trail Mount Yun by UTMB®

Puerto Vallarta by UTMB®

Kullamannen by UTMB

Translantau by UTMB®

Ultra-Trail Kosciuszko by UTMB®

Doi Inthanon Thailand by UTMB®

Tarawera™ Ultramarathon by UTMB®

Chianti Ultra Trail by UTMB

Istria 100 by UTMB 

Desert RATS Trail Running Festival

Canyons Endurance Runs by UTMB

Valhöll Argentina by UTMB

Ultra-Trail Snowdonia by UTMB®

Ultra-Trail Australia by UTMB

Trail Alsace Grand Est by UTMB

Mountain Ultra Trail by UTMB

mozart 100 by UTMB

Trail du Saint Jacques by UTMB

Trail 100 Andorra by UTMB

Mauritius by UTMB®

La Sportiva Lavaredo Ultra Trail by UTMB

Val D'Aran by UTMB®

Trail Verbier St Bernard by UTMB

Eiger Ultra Trail by UTMB

Speedgoat Mountain Races

KAT100 by UTMB

Quito Trail Ecuador by UTMB®

Dacia UTMB Mont-Blanc

Paraty Brazil by UTMB

Grindstone Trail Running Festival

Wildstrubel by UTMB®

Julian Alps Trail Run by UTMB®

Restonica Trail by UTMB®

Western States® 100-Mile Endurance Run

Ultra Trail Ninghai by UTMB

Amazean Jungle Thailand by UTMB

Hoka

Dacia

Wahoo

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**[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)** 
**[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/)** 
**[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)** 
**[Transvulcania La Palma Island by UTMB](https://transvulcania.utmb.world/contact)** 
**[Ultra-Trail Snowdonia by UTMB](https://snowdonia.utmb.world/contact)** 
**[Dacia UTMB Mont Blanc](https://montblanc.utmb.world/contact)** 
**[Val d’Aran by UTMB](https://valdaran.utmb.world/contact)** 
**[Wildstrubel by UTMB](https://wildstrubel.utmb.world/contact)**

Europe

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

North America

**[Paraty By UTMB](https://paraty.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)** 
**[Dio Inthanon by by UTMB](https://inthanon.utmb.world/contact)** 
**[TransJeju by UTMB](https://transjeju.utmb.world/contact)** 
**[Translantau by UTMB](https://translantau.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://www.ultratrailaustralia.com.au/contact/)** 
**[Ultra-Trail Kosciuszko by UTMB](https://ultratrailkosciuszko.com.au/contact/)**

Oceania

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

UTMB World Series

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