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100 mile ultra runs in May 2026

Find 100 mile 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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Can you survive Farmmageddon? Held over 32-hours, runners will cover the fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm and receive a t-shirt, buckle and medal to prove it!
  • Sat 23 May 2026
  • £163-£165
Buntingford, Hertfordshire, UK

Farmmageddon | 100 Miles

Can you survive Farmmageddon? Held over 32-hours, runners will cover the fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm and receive a t-shirt, buckle and medal to prove it!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 21 & over
  • 100 miles trail running + 164 ft ascent

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