19 Ultra runs in North Wales

Find ultra runs in and around North 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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Click an event for full event details, location, route, sustainability, what's included and how to enter.

A truly spectacular, pure Skyrunning route, taking in the iconic Crib Goch Grade 1 scrambles, as well as several other technical ridges and trails over ultra distance.
  • Sat 22 Jun
  • £119
Caernarfon, Gwynedd, UK

Rab 14 Peaks Ultra

A truly spectacular, pure Skyrunning route, taking in the iconic Crib Goch Grade 1 scrambles, as well as several other technical ridges and trails over ultra distance.

  • 52 km trail running + 3900 m ascent
  • Sat 27 Apr
  • £87.50
Prestatyn, Clwyd, UK

North Wales | 100K

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

  • 100 km trail running
  • Sat 27 Apr
  • £48.50
Prestatyn, Clwyd, UK

North Wales | 50K

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

  • 50 km trail running
  • Sat 11 - Sun 12 May
  • FREE-£130
Prestatyn, Clwyd, UK

24 Hours South - The Offa's Dyke ULTRA

24 hours - South....along the Offa's Dyke Footpath. How far will you get?

  • 24 hrs trail running
  • Fri 7 Jun
  • £195
Holywell, Clwyd, UK

The Pilgrims Ultras and Trail Marathon | North Wales Pilgrims ‘Race Across Wales’ 141 Ultra Marathon

Hundreds of years have passed since pilgrims in their thousands were finding their way to Bardsey Island, drawn there by stories of the special peace to be found at the edge of the Western world...

  • 141 miles trail running
  • Sat 8 Jun
  • £235
Betws-y-Coed, Clwyd, UK

Welsh 3000 Challenge (14 Peaks) | 20hr Challenge

Welsh 3000 Challenge, 14 Peaks – The best mountain running / walking challenge in the UK.

  • 20 hrs multi terrain running
  • Sat 8 - Sun 9 Jun
  • £290
Betws-y-Coed, Clwyd, UK

Welsh 3000 Challenge (14 Peaks) | 2 Days Challenge

Welsh 3000 Challenge, 14 Peaks – The best mountain running / walking challenge in the UK.

  • 2 days multi terrain running
  • Sat 8 Jun
  • FREE-£47.50
Llangollen, Clwyd, UK

The Llangollen 50K

A race that took place for the first time in 2021 - in this truly beautiful area of North Wales.

  • 50 km trail running
  • Sat 8 Jun
  • £95
Bangor, Gwynedd, UK

The Pilgrims Ultras and Trail Marathon | Pilgrims 60

Hundreds of years have passed since pilgrims in their thousands were finding their way to Bardsey Island, drawn there by stories of the special peace to be found at the edge of the Western world...

  • 60 miles trail running
  • Sat 22 Jun
  • £87-£89
Dolgellau, Gwynedd, UK

Ultra Wales 50

5th Edition 2024!

  • 50 miles trail running
  • Sat 6 Jul
  • £85
Caernarfon, Gwynedd, UK

TEC Eryri The Crossing | Ultra Marathon

Eryri (Snowdonia) The Crossing 2024

  • 56.57 km trail running
  • Sat 13 - Sun 14 Jul
  • £115.99-£236.99
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.

  • 24 hrs trail running
  • Sun 14 Jul
  • £89.99-£99.99
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Trail Marathon Eryri | Ultra Marathon

Welcome to the XTERRA Snowdonia Trail Marathon Eryri, a stunning Trail Marathon, Ultra Marathon, Half Marathon and 10k, starting and finishing in Wales' outdoor capital, Llanberis.

  • 57 km trail running
  • Fri 26 Jul
  • £250
Caernarfon, Gwynedd, UK

Brutal 300 | 300 Mile

Lap after lap after lap, until you either finish or go insane…

  • 300 miles multi terrain running
  • Sat 27 Jul
  • £65
Caernarfon, Gwynedd, UK

Brutal 300 | 50 Mile

Lap after lap after lap, until you either finish or go insane…

  • 50 miles multi terrain running
  • Sat 27 Jul
  • £150
Caernarfon, Gwynedd, UK

Brutal 300 | 100 Mile

Lap after lap after lap, until you either finish or go insane…

  • 100 miles multi terrain running
  • Sat 27 Jul
  • £190
Caernarfon, Gwynedd, UK

Brutal 300 | 200 Mile

Lap after lap after lap, until you either finish or go insane…

  • 200 miles multi terrain running
  • Mon 2 - Sat 7 Sep
  • £1,699-£1,799
Conwy, Clwyd, UK

Montane Dragon’s Back Race

Are you ready for the adventure of a lifetime?

  • 6 days fell running
  • Sat 9 Nov
  • £75
Pwllheli, Gwynedd, UK

The Winter Ultra

Pen Llyn Ultras - Winter Edition

  • 37.5 miles trail running

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