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50K ultra runs in Wales

Find 50k ultra runs near me in Wales for 2024/2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.
  • Sat 26 Apr 2025
  • £48.50
  • Sat 26 Apr 2025
  • £48.50
Prestatyn, Clwyd, UK

North Wales 50K & 100K | 50K

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

  • Chip timing
  • Enter online
  • GPS tracking
  • Age 18 & over
  • 50 km trail running
A truly beautiful area of North Wales! The route uses two way-marked 15-mile linear routes either side of the river, to create a spectacular, challenging excursion in and above the valley.
  • Sat 7 Jun 2025
  • £50
  • Sat 7 Jun 2025
  • £50
Llangollen, Clwyd, UK

The Llangollen 50K

A truly beautiful area of North Wales! The route uses two way-marked 15-mile linear routes either side of the river, to create a spectacular, challenging excursion in and above the valley.

  • Newcomers
  • Enter online
  • Event village
  • Rural
  • Age 18 & over
  • 50 km trail running
The original Snowdonia Ultra Marathon. A beautiful route boasting stunning views, a hearty ascent of Yr Wyddfa (Snowdon) and a thrilling 7km descent to a heroes' welcome at the finish line!
  • Sat 12 Jul 2025
  • £94.99-£104.99
  • Sat 12 Jul 2025
  • £94.99-£104.99
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Ultra Trail Marathon Eryri

The original Snowdonia Ultra Marathon. A beautiful route boasting stunning views, a hearty ascent of Yr Wyddfa (Snowdon) and a thrilling 7km descent to a heroes' welcome at the finish line!

  • Chip timing
  • Enter online
  • Mountainous
  • Age 20 & over
  • 57 km trail running + 2199 m ascent
Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.
  • Sat 12 - Sun 13 Jul 2025
  • £121.99-£251.99
  • Sat 12 - Sun 13 Jul 2025
  • £121.99-£251.99
Caernarfon, Gwynedd, UK

Black Diamond Yr Wyddfa Snowdon24

Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.

  • Chip timing
  • Enter online
  • Mountainous
  • Relay
  • Age 18 & over
  • 24 hrs trail running
This regional marked footpath of 32 miles winds it's way through some beautifully remote upland scenery. Start at the town of Corwen in the Dee Valley, and follow the signage up the Dee Valley.
  • Sun 19 Oct 2025
  • £49.50
  • Sun 19 Oct 2025
  • £49.50
Corwen, Clwyd, UK

Brenig Way 50K Trail

This regional marked footpath of 32 miles winds it's way through some beautifully remote upland scenery. Start at the town of Corwen in the Dee Valley, and follow the signage up the Dee Valley.

  • Newcomers
  • Enter online
  • GPS tracking
  • Flat
  • Event village
  • Rural
  • Age 18 & over
  • 50 km trail running
  • Sat 11 Jan 2025
Aberdovey, Gwynedd, UK

The Winter Run to the Castle Ultra | 50K ish Marathon

  • 50 km multi terrain running
  • Sat 12 Apr 2025
Pwllheli, Gwynedd, UK

SheUltra™

  • 50 km multi terrain running
  • Sat 14 Jun 2025
Ruthin, Clwyd, UK

Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | 32 Mile Ultra

  • 32 miles trail running + 6663 ft ascent

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