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50K ultra runs in Hertfordshire in May 2026

Find 50k ultra runs near me in Hertfordshire in May 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Can you survive Farmmageddon? Run an ultra over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
  • Sat 23 May 2026
  • £33-£38
Buntingford, Hertfordshire, UK

Farmmageddon | Ultra Marathon

Can you survive Farmmageddon? Run an ultra over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.

  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 32 miles trail running + 164 ft ascent

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