12

Trail runs in Gwynedd

Find trail runs near me in Gwynedd for 2024/2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

Search by month

Search by place

Events near me

Click an event for full event details, location, route, sustainability, what's included and how to enter.

  • Fri 18 Oct
Bangor, Gwynedd, UK

Slate Trail Ultra | Slate Trail Ultra

  • 88 km trail running
  • Sat 19 Oct
Bangor, Gwynedd, UK

Slate Trail Ultra | Ultra Tour of The Quarries

  • 145 km trail running
  • Sun 3 Nov
Machynlleth, Gwynedd, UK

Dyfi 8 Trail Race | 8K

  • 8 km trail running
  • Sun 3 Nov
Machynlleth, Gwynedd, UK

Dyfi 8 Trail Race | 8 Mile

  • 8 miles trail running
  • Sat 9 Nov
Pwllheli, Gwynedd, UK

The Winter Ultra

  • 37.5 miles trail running
  • Sun 10 Nov
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Altra Anglesey Trail Half Marathon & 10K | Half Marathon

  • 21.1 km trail running
  • Sun 10 Nov
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Anglesey Trail Cani Cross 10K

  • 10 km trail running
  • Sun 10 Nov
Llanfairpwllgwyngyll, Isle of Anglesey, UK

Altra Anglesey Trail Half Marathon & 10K | 10K

  • 10 km trail running
  • Sun 13 Jul 2025
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Ultra Trail Marathon Eryri

  • 57 km trail running + 2199 m ascent
  • Sun 13 Jul 2025
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Trail Marathon Eryri

  • 27.3 miles trail running + 1685 m ascent
  • Sun 13 Jul 2025
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Trail Half Marathon Eryri

  • 12.9 miles trail running
  • Sun 13 Jul 2025
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Trail 10K Eryri

  • 9.8 km trail running

Search by month

Search by place

Search options

Back to search options