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Trail 10K runs in North Wales

Find trail 10k runs in North Wales in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Alyn Waters is a great place for trail running! The country park is accessible, the paths easy to follow and with a variety of terrain, and with a few ups and downs to make you really earn your medal!
  • Sat 6 Dec
  • £21.50
Wrexham, Clwyd, UK

Alyn Waters Winter Trails | 5K & 10K | 10K Trail

Alyn Waters is a great place for trail running! The country park is accessible, the paths easy to follow and with a variety of terrain, and with a few ups and downs to make you really earn your medal!

  • Chip timing
  • Enter online
  • Age 15 & over
  • 10 km trail running
The courses are challenging but the event environment is relaxed and friendly. Runners of all abilities can get involved and enjoy a run out on those fabulous trails.
  • Sat 7 Mar 2026
  • £20.50
Mold, Clwyd, UK

Loggerheads Trail 10K

The courses are challenging but the event environment is relaxed and friendly. Runners of all abilities can get involved and enjoy a run out on those fabulous trails.

  • Enter online
  • Age 15 & over
  • 10 km trail running
A beautiful 10K with something for all runners on a mixture of road, track and trail and takes in the beautiful lower slopes of Yr Wyddfa (Snowdon), with a stunning downhill to the finish line.
  • Sat 11 Jul 2026
  • £31.99-£37.99
Caernarfon, Gwynedd, UK

Snowdonia Trail 10K Eryri

A beautiful 10K with something for all runners on a mixture of road, track and trail and takes in the beautiful lower slopes of Yr Wyddfa (Snowdon), with a stunning downhill to the finish line.

  • Chip timing
  • Enter online
  • Hilly
  • Age 17 & over
  • 9.8 km trail running + 1335 ft ascent
  • Sun 15 Mar 2026
Wrexham, Clwyd, UK

Brynkinalt Running Festival | 10K

  • 10 km trail running
  • Sun 10 May 2026
Llangollen, Clwyd, UK

Llangollen Trail 10K & Kids 1 Mile Race | 10K

  • 10 km trail running

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