3 100 mile ultra runs in Wales

Find 100 mile ultra runs in and around Wales for 2023/2024 - filter events by date, display on a map or use the advanced search to find your perfect race.

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  • Fri 7 Jun 2024
  • £140
Haverfordwest, Pembrokeshire, UK

Pembrokeshire Coastal Races - Trail and Ultra Running Festival | 100 Mile

Back following the COVID break with New Race Distances, a fantastic new event base with camping and parking onsite, the Pembrokeshire Coastal Races promises to be an epic weekend!

  • 100 miles trail running
  • Sat 13 - Sun 14 Jul 2024
  • £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
  • Sat 20 Jul 2024
  • £140
Swansea, West Glamorgan, UK

Dragon Coastal Ultramarathon 100 Mile

The Dragon Coastal ultramarathons are 3 epic ultra-trail footraces along the Wales coast path.

  • 100 miles trail running