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Trail runs in Wales

Find trail runs in Wales in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Event listings

Select an event for photos, video, route, location, reviews, entry fees and how to enter.

  • Sat 14 - Sun 15 Mar
  • £16.99-£24.99
Wrexham, Clwyd, UK

Brynkinalt Running Festival

  • CaniCross 2
  • 5K run
  • 10K run
  • Sat 14 Mar
  • £48-£80
Crickhowell, Powys, UK

Beast of the Blacks 10, 20 and 40 Mile Trail Running Challenge

  • Trail run 3
  • Sat 14 Mar
  • £40-£50
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon

  • Half marathon
  • Marathon
  • Sun 22 Mar
  • £30-£35
Port Talbot, West Glamorgan, UK

Red Warrior Multi Terrain Races | 20K

  • 20 km multi terrain running
  • Sat 4 Apr
  • £28-£35
Aberdyfi, Gwynedd, UK

Aberdyfi Half Marathon | Half Marathon

  • 21.1 km trail running + 850 m ascent
  • Sun 5 Apr
  • £25-£55
Carmarthen, Dyfed, UK

The Pendine Races

  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • Sat 11 Apr
  • £33-£46
Bridgend, South Glamorgan, UK

Vale Coastal Trail Races

  • 10 miler
  • Trail run
  • Ultra run
  • Sat 11 Apr
  • £19.95-£39.95
Swansea, West Glamorgan, UK

RTT Gower Trail Half Marathon & 10K

  • 5K run
  • 10K run
  • Half marathon
  • Wed 15 - Mon 20 Apr
  • £549
Chepstow, Gwent, UK

South Wales 200

  • 5 days trail running
  • Sat 25 Apr
  • £35-£71
Haverfordwest, Pembrokeshire, UK

EnduranceLife - Pembrokeshire

  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • Sat 25 Apr
  • £95
Penarth, South Glamorgan, UK

The Medieval Backyard Ultra

  • 1 hr trail running
  • Sat 2 May
  • £50-£99
Brecon, Powys, UK

Rasus y Bannau

  • Marathon
  • Ultra run
  • 100K ultra run
  • Sat 9 May
  • £40-£50
Cardiff, UK

Radyr Trail Races: Half Marathon and Marathon

  • Half marathon
  • Marathon
  • Sun 10 May
  • £5.50-£23
Llangollen, Clwyd, UK

Llangollen Trail 10K & Kids 1 Mile Race

  • Fun run
  • 10K run
  • Fri 5 - Sun 7 Jun
  • £45-£160
Haverfordwest, Pembrokeshire, UK

Pembrokeshire Coastal Races - Trail and Ultra Running Festival

  • 100 mile ultra run
  • Ultra run
  • 50K ultra run
  • Trail run
  • Sat 6 Jun
  • £45-£65
Brecon, Powys, UK

Midnight Mountain Marathon

  • Mountain marathon
  • Half marathon
  • Sat 6 Jun
  • £54-£64
Pwllheli, Gwynedd, UK

The North Wales Pilgrim Trail Marathon

  • 42 km trail running
  • Sun 21 Jun
  • £24.99
Llanwddyn, Powys, UK

Lake Vyrnwy 10K

  • 10 km trail running
  • Sat 18 Jul
  • £2-£60
Bridgend, Mid Glamorgan, UK

Rabbit Run Wales

  • Fun run 3
  • Trail run
  • Marathon
  • Ultra run
  • Sat 15 Aug
  • £39-£139
Caernarfon, Gwynedd, UK

SkyRun Eryri

  • Trail run 3
  • 50K ultra run
  • Sat 22 Aug
  • £35-£85
Crickhowell, Powys, UK

Beast of Llangattock Trail Running Challenge

  • 10K run
  • 10 miler
  • Trail run
  • Ultra run
  • Fri 4 Sep
  • £125-£150
Holyhead, Isle of Anglesey, UK

Ring O' Fire | Firelighter 50

  • 47 miles multi terrain running
  • Mon 7 - Sat 12 Sep
  • £1,699-£2,099
Conwy, Clwyd, UK

Dragon’s Back Race

  • 6 days fell running
  • Sat 14 Nov
  • £61.50
Moelfre, Isle of Anglesey, UK

The Anglesey 3 Peaks Run Challenge

  • 55 km trail running
  • Sat 28 Nov
  • £35-£60.50
Mold, Clwyd, UK

Loggerheads Half Marathon

  • 13.1 miles trail running

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