9 Trail runs in Wales in December 2023

Find trail runs in and around Wales in December 2023 - search by date or place, display on a map or use the advanced search to find your perfect race.

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

  • Sat 2 Dec 2023
  • £37
Crickhowell, Powys, UK

Secret Santa | Tinsel Twelve 12K

Limitless Trails are very excited to be offering another Secret Santa Series, deep in the heart of the Brecon Beacons National Park.

  • 12 km trail running
  • Sat 2 Dec 2023
  • £37
Crickhowell, Powys, UK

Secret Santa | Turkey Ten

Limitless Trails are very excited to be offering another Secret Santa Series, deep in the heart of the Brecon Beacons National Park.

  • 10 miles trail running
  • Sat 2 Dec 2023
  • £45
Crickhowell, Powys, UK

Secret Santa | Half Marathon Du Mulled Wine

Limitless Trails are very excited to be offering another Secret Santa Series, deep in the heart of the Brecon Beacons National Park.

  • 13.1 miles trail running
  • Sun 10 Dec 2023
  • FREE-£45
Prestatyn, Clwyd, UK

Sea 2 Summit - Offa's Dyke | Ultra Marathon

The only way is up with these Half Marathon/Marathon/Ultra distance races along the Offas Dyke footpath!

  • 32 miles trail running
  • Sun 10 Dec 2023
  • FREE-£35
Prestatyn, Clwyd, UK

Sea 2 Summit - Offa's Dyke | Full Marathon

The only way is up with these Half Marathon/Marathon/Ultra distance races along the Offas Dyke footpath!

  • 26.2 miles trail running
  • Sun 10 Dec 2023
  • FREE-£25
Prestatyn, Clwyd, UK

Sea 2 Summit - Offa's Dyke | Half Marathon

The only way is up with these Half Marathon/Marathon/Ultra distance races along the Offas Dyke footpath!

  • 13.1 miles trail running
  • Sat 16 Dec 2023
  • £38
Aberdare, Mid Glamorgan, UK

Celtic Trail Races | Ultra

With new looped routes for the ultra, a full marathon distance course and the already established classic linear half marathon race,

  • 34 miles trail running
  • Sat 16 Dec 2023
  • £34
Aberdare, Mid Glamorgan, UK

Celtic Trail Races | Marathon

With new looped routes for the ultra, a full marathon distance course and the already established classic linear half marathon race,

  • 26 miles trail running
  • Sat 16 Dec 2023
  • £26
Neath, West Glamorgan, UK

Celtic Half Marathon

With new looped routes for the ultra, a full marathon distance course and the already established classic linear half marathon race,

  • 13 miles trail running

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