Trail running routes in Gwynedd
No published routes yet in Gwynedd.
Races in Gwynedd
All Gwynedd races →The next races starting in Gwynedd, with runner reviews and what people wore where we have them. Train on the routes above.
7
Nov
2026
Black Sheep Winter
Tafarn y Fic, Llithfaen · Black Sheep Events
A 60km November loop of the Llŷn from Tafarn y Fic in Llithfaen: up to Yr Eifl by the Steps of Hell, down through Nant Gwrtheyrn, the Mariners Trail to Abersoch and lanes back, solo or as a relay of four.
Entries open
£85
28
Feb
2027
Dydd Gŵyl Dewi Half Marathon
Cwt Tatws, Tudweiliog · Black Sheep Events
A St David's Day point-to-point half along the Pilgrims Trail and the coast path from Cwt Tatws at Tudweiliog to Aberdaron. No cut-offs, runners and walkers both welcome.
Entries open
£29.95–£44.95
17
Apr
2027
SheUltra
Abersoch · Black Sheep Events
A women-only 50k from Abersoch to Pwllheli over coast path, hilly trails and Garn Fadryn, with no cut-offs and no crew, billed as the biggest all-women ultra in the world.
Entries open
£74
12
Jun
2027
Black Sheep Pilgrims Trail Marathon
Llithfaen, Llŷn Peninsula · Black Sheep Events
Forty-two kilometres of the North Wales Pilgrims Way from below Yr Eifl to Aberdaron: coast path, old pilgrim lanes and villages, walkers away at seven and runners at nine.
Entries open
£59
Common questions
- There are 0 trail running routes in Gwynedd on Trail Running Planet. All routes include free GPX downloads and honest grading.