All the races Destinations Themes Types of races Series Blog Offer to organizers

Ultra-Trail Snowdonia Eryri by UTMB® 2026

Photo credits:

Trail 🏅 UTMB® World Series 🏅 UTMB® events

⛰ Mountain 🛶 Lakes & Ponds 🏞 Nature 🌲 Forest

Caernarfon (Gwynedd, Wales, United Kingdom)View on map
Next event : Mid-May 2026
Last event : 16 Fri ➜ May 18, 2025
25 km / 55 km / 103 km / 168 km
Go to the race's website
- Facebook
Show more information

Supported by

Dacia

A distance for every taste

168 kmTOP
103 km
55 km
25 km

168 km : UTS 100M

TrailThe most popular

Trail🏅 UTMB® World Series⛰ Mountain 🛶 Lakes & Ponds 🏞 Nature 🌲 Forest

Mid-May 2026
Elevation gain : 9500mD+
1 loopx168 km

103 km : UTS 100K

Trail🏅 UTMB® World Series⛰ Mountain 🛶 Lakes & Ponds 🏞 Nature 🌲 Forest

Mid-May 2026
Elevation gain : 6400mD+
1 loopx103 km

55 km : UTS 50K

Trail🏅 UTMB® World Series⛰ Mountain 🛶 Lakes & Ponds 🏞 Nature 🌲 Forest

Mid-May 2026
Elevation gain : 3300mD+
1 loopx55 km

25 km : ERYRI 25K

Trail🏅 UTMB® World Series⛰ Mountain 🛶 Lakes & Ponds 🏞 Nature 🌲 Forest

Mid-May 2026
Elevation gain : 1300mD+
1 loopx25 km

®

A next-gen platform helping sports enthusiasts of all levels discover territories and heritage through races tailored to them.

Types of races

Marathon Half Marathon Trail Walking All types of races

Destinations

France United States Germany Spain Italy United Kingdom All destinations

Themes

🏞 Nature 🏘️ In the city 🌲 Forest ⛰ Mountain All themes

Learn more

Offer to organizers Contact us My Cookies Privacy Policy Terms of Service Terms of sale Legal Notice

© All rights reserved, property of Finishers
Made in France, between Lyon and Nantes