Sea To Summit Yr Wyddfa
Take on Sea to Summit Yr Wyddfa, an unforgettable sea-to-summit mountain ultramarathon in Wales and part of the epic Rat Race National 3 Peaks Trilogy
| Date | Saturday 26th September, 2026 |
|---|---|
| Distance | Ultra |
| Location | Caernarfon Castle |
| Town/City | Gwynedd |
| Area | North Wales |
| Start postcode | LL55 2AY |
| Start time | 7:00am |
| Organiser | Rat Race |
Enter this race via runABC
Starting in Caernarfon Castle at sea level and ascending to the summit of Wales’ highest mountain on a unique route, this fully waymarked, fully supported endurance challenge combines stunning coastal trails, rugged mountain terrain and an iconic summit. Designed to be accessible for everyday adventurers, it can be tackled as a standalone ultramarathon or as part of the full trilogy alongside Ben Nevis and Scafell Pike to earn the coveted Gold Trilogy Medal.
Location
Results
| Results | Verification Status |
|---|---|
| 2025 - Sea to Summit Yr Wyddfa results | |
| 2024 - Sea to Summit Yr Wyddfa results |
- Verified
- Chip timing company
- Organiser
- Organiser’s website
- Community
- Social/Other
- Pending
- Results pending
