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50K ultra runs requiring navigation skills in May 2026

Find 50k ultra runs requiring navigation skills 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 circular 35 mile ultra is a registered UTMB index race with 20.2 miles of cross country trails and 14.3 miles on road through wonderful countryside. Fully tracked and interactive
  • Sun 10 May
  • £60
Naseby, Northamptonshire, UK

Shires and Spires | Ultra

The circular 35 mile ultra is a registered UTMB index race with 20.2 miles of cross country trails and 14.3 miles on road through wonderful countryside. Fully tracked and interactive

  • 35 miles multi terrain running + 2052 ft ascent
  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
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
  • Sun 3 May
  • £55
Shipston-on-Stour, Warwickshire, UK

Tempo Trail Races | 50K Ultra

  • 50 km trail running + 3541 ft ascent

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