14–16 May 2027 · Llanberis, United Kingdom
Eryri by UTMB
Eryri by UTMB®
About the event
Technical mountain trail event in Eryri (Snowdonia), North Wales, part of the UTMB World Series; the former Ultra-Trail Snowdonia takes this name from 2027. Races of 100 miles, 100 km, 80 km, 50 km and 25 km.
- When
- 14–16 May 2027
- Where
- Llanberis, United Kingdom
Llanberis - Category
- Trail and mountain running
- Type
- Series stage
- Series
- UTMB World Series
- Open to
- Athletes and participants
- Held
- Every year
- Website
- eryri.utmb.world ↗
- Source
- Official website · checked on 25/10/2026
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Dates and details are read from the official website of each event and may change: always check with the organiser before you travel.