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Mountainous Ultra runs in May 2026

Find mountainous ultra runs near me in May 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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The ultra is graded ‘very hard’ and one to get into your ultra running calendar if you’re looking for UTMB index runs where you can bag points. Includes Full Weekend Festival Ticket in the price!
  • Sun 17 May
  • £80-£85
Keswick, Cumbria, UK

Keswick Mountain Festival | adidas TERREX 50K Trail Ultra Marathon

The ultra is graded ‘very hard’ and one to get into your ultra running calendar if you’re looking for UTMB index runs where you can bag points. Includes Full Weekend Festival Ticket in the price!

  • 50 km trail running + 1800 m ascent
  • Beginner-friendly
  • Music
  • Chip timing
  • Enter online
  • Mountainous
  • Event village
  • Age 18 & over
Taking in the two Munro summits of Cairn a Chlamain and Ben Dearg along with Glen Tilt and the vast forests of Blairuachdair, the Full Tilt Ultra has it all. Are you up to the challenge?
  • Sat 30 May
  • £79
Pitlochry, Perth and Kinross, UK

Blair Castle Trail Weekender | Full Tilt Ultra 58K

Taking in the two Munro summits of Cairn a Chlamain and Ben Dearg along with Glen Tilt and the vast forests of Blairuachdair, the Full Tilt Ultra has it all. Are you up to the challenge?

  • 58 km trail running + 2026 m ascent
  • Chip timing
  • Enter online
  • Mountainous
  • Traffic free
  • Age 18 & over
  • Sat 2 May
  • £50-£99
Brecon, Powys, UK

Rasus y Bannau

  • Marathon
  • Ultra run
  • 100K ultra run

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