Ultra-Trail Snowdonia by UTMB
May 15-17 2026
20km, 50km, 100km, 100MAbout This Event
- Location
- Llanberis, North Wales
- Country
- United Kingdom
- Date
- May 15-17 2026
- Distances
- 20km, 50km, 100km, 100M
- Why This Event
- UTMB World Series mountain ultra through dramatic Welsh mountains including climbs up Snowdon (highest peak in Wales) with extreme elevation