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50K ultra runs in Hertfordshire

Find 50k ultra runs near me in Hertfordshire for 2024/2025 - search by date or place, 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 24 May 2025
  • £34-£36
  • Sat 24 May 2025
  • £34-£36
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
  • Sat 16 Nov
Berkhamsted, Hertfordshire, UK

Chiltern Ridge Winter 50K

  • 50 km trail running
  • Sat 29 Mar 2025
Welwyn Garden City, Hertfordshire, UK

London Lea Valley Ultra

  • 50 km road running
  • Sun 1 Jun 2025
Ware, Hertfordshire, UK

Circuit Du Sore Legs - Part Cinq | Ultra Marathon

  • 50 km track and field

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