Trail Running100K

Uts 100k

16 May 2026

Llanberis, Wales, United Kingdom

Race details

Modality

Individual

Organizer

Ultra Trail Snowdonia

Distance

104 km

Elevation

+6,500 m

Start time

05:00

Terrain

Trail

Difficulty

Elite

Course profile

Mountainous

Minimum age

18+

Certified

Yes

Circuit

UTMB World Series

Event description

The UTS 100K is one of the UK's most technical and demanding trail races, traversing the rugged landscapes of Eryri (Snowdonia) National Park. Featuring 6,500m of elevation gain, this race challenges athletes with technical ridges and stunning vistas starting from the iconic village of Llanberis.

Related events

MAR20

Trail Running•Short

Chianti Wine Run (CWR 10)

Radda in Chianti, Tuscany, Italia10 km+400 m

View event

MAR20

Trail Running•100K

Tenerife Bluetrail 110k

Playa de Los Cristianos, Canarias, España110 km+6,250 m

View event

MAY16

Trail Running•50K

Uts 50k

Llanberis, Wales, United Kingdom55 km+3,300 m

View event

In the news

⛰️ Trail Running11 May 2026

Mud, Rock, and Golden Tickets to Chamonix: UTS Challenges European Dominance

Llanberis hosts the most competitive UTS to date, where 9,500m of elevation gain and technical Welsh terrain will push the world's trail elite to the limit.

Alert ready for the next edition

Save this alert and come back early when registrations reopen

We prefill the exact event profile so you can finish it in My Alerts in a few seconds.

Sport

Trail Running

Distance

100K

Country

United Kingdom

Region

Wales