- Sat 12 - Sun 13 Jul 2025
- £31.99-£251.99
- Sat 12 - Sun 13 Jul 2025
- £31.99-£251.99
Caernarfon, Gwynedd, UK
XTERRA Snowdonia Trail Marathon Eryri Events
Welcome to the XTERRA Snowdonia Trail Marathon Eryri, a stunning Trail Marathon, Ultra Marathon, Half Marathon, 10K, and 24hr event starting and finishing in Wales' outdoor capital, Llanberis.
- Families
- Recycling
- Newcomers
- Plastic bottle free
- Music
- Event village
- Event expo
- Mountains
- Free venue entry
- Sustainability policy
- Public transport links
- Plastic-free event
- Age 17 & over
- 10K run
- Half marathon
- Marathon
- Ultra run 2