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Trail Marathons in Hertfordshire

Find trail marathons in Hertfordshire in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
  • Sat 21 Mar
  • £27-£38
Buntingford, Hertfordshire, UK

Moo-rathon, Calf and Hen K

Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.

  • Beginner-friendly
  • Dogs allowed at venue
  • Event village
  • Age 18 & over
  • Multi-terrain run 2
Can you survive Farmmageddon? A fantastic marathon through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
  • Sat 23 May
  • £33-£38
Buntingford, Hertfordshire, UK

Farmmageddon | Full Marathon

Can you survive Farmmageddon? A fantastic marathon through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.

  • Chip timing
  • Enter online
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 1312 ft ascent
Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it over a lovely marathon looped trail route.
  • Sat 27 Jun
  • £33-£38
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle | Full Marathon

Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it over a lovely marathon looped trail route.

  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles trail running + 1312 ft ascent
  • Sat 11 Apr
Tring, Hertfordshire, UK

Chilterns Trail Marathon

  • 42.2 km trail running
  • Sun 19 Jul
Stevenage, Hertfordshire, UK

Fairlands Valley Challenge | Marathon

  • 26.2 miles trail running

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