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Trail runs in Wales in Spring

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

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

A breathtaking mountain challenge through Snowdonia’s rugged heart — climb steep ridges, conquer iconic peaks and soak up awe-inspiring views across lakes, valleys and the dramatic Ogwen range.
  • Sun 12 Apr
  • £39.99-£82.99
Betws-y-Coed, Clwyd

Ogwen | Yr Helgi Du

A breathtaking mountain challenge through Snowdonia’s rugged heart — climb steep ridges, conquer iconic peaks and soak up awe-inspiring views across lakes, valleys and the dramatic Ogwen range.

  • Trail run 3
  • Trees not tees
  • Beginner-friendly
  • Music
  • Event village
  • Mountains
  • Public transport links
  • Age 17 & over
Gather on the summit of Moel y Parc at over 1300ft and follow the Offa's Dyke National Trail to the coast to finish line on the beach at Prestatyn.
  • Sun 12 Apr
  • £33.50
Prestatyn, Clwyd

Summit 2 Sea - The Offa's Dyke Half Marathon

Gather on the summit of Moel y Parc at over 1300ft and follow the Offa's Dyke National Trail to the coast to finish line on the beach at Prestatyn.

  • 13.8 miles trail running + 2450 ft ascent
  • Beginner-friendly
  • Enter online
  • Hilly
  • Event village
  • Rural
  • Coast
  • Mountains
  • Age 17 & over
This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.
  • Sat 25 Apr
  • £52.50-£90.50
Prestatyn, Clwyd

North Wales 50K & 100K

This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.

  • 50K ultra run
  • 100K ultra run
  • Beginner-friendly
  • Event village
  • Age 18 & over
Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this event instead and earn a fantastic London-themed medal!
  • Sun 26 Apr
  • £15-£35
Aberdare, Mid Glamorgan

The Nearly But Not Quite London Marathon | Wales

Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this event instead and earn a fantastic London-themed medal!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • Park
  • All ages
The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.
  • Sat 9 - Sun 10 May
  • £95.50-£155.50
Prestatyn, Clwyd

24 Hours South | The Offa's Dyke Ultra

The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.

  • 24 hrs trail running + 8561 ft ascent
  • Beginner-friendly
  • Chip timing
  • Enter online
  • GPS tracking
  • Event village
  • Rural
  • Age 18 & over
  • Sat 11 Apr
  • £33-£46
Bridgend, South Glamorgan

Vale Coastal Trail Races

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

RTT Gower Trail Half Marathon & 10K

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

South Wales 200

  • 5 days trail running
  • Sat 18 Apr
  • £48-£80
Brecon, Powys

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

  • 10 miler
  • Trail run 2
  • Sun 19 Apr
  • £24-£26
Blaenau Ffestiniog, Gwynedd

Trawsfynydd Lake Race | 8.6 Mile

  • 8.6 miles multi terrain running
  • Sat 25 Apr
  • £35-£71
Haverfordwest, Pembrokeshire

EnduranceLife - Pembrokeshire

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

The Medieval Backyard Ultra

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

Rasus y Bannau

  • Marathon
  • Ultra run
  • 100K ultra run
  • Sat 9 May
  • £55-£150
Brecon, Powys

Tenacious Ten Hour Endurance Challenge

  • 10 hrs trail running
  • Sat 9 May
  • £40-£50
Cardiff

Radyr Trail Races: Half Marathon and Marathon

  • Half marathon
  • Marathon
  • Sat 9 May
  • £25-£30
Port Talbot, West Glamorgan

Wild Hybrid Wales - Margam Country Park Solos

  • 5K run
  • 10K run
  • Sun 10 May
  • £5.50-£23
Llangollen, Clwyd

Llangollen Trail 10K & Kids 1 Mile Race

  • Fun run
  • 10K run
  • Sun 10 May
  • £36-£46
Mold, Clwyd

Excalibur Trail Races

  • Mountain marathon
  • Half marathon
  • 10K run
  • Sun 24 May
  • £17.70-£19.70
Pontypridd, Mid Glamorgan

Treforest 10K

  • 10 km trail running + 200 ft ascent

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