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Trail runs in Hertfordshire

Find trail runs near me in Hertfordshire for 2025/2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.
  • Sun 26 Oct
  • £55
Bishop's Stortford, Essex, UK

Stort30

A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.

  • Newcomers
  • Chip timing
  • Enter online
  • Flat
  • Event village
  • Rural
  • Age 18 & over
  • 30 miles trail running + 188 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.
  • Sat 21 Mar 2026
  • £27-£38
Buntingford, Hertfordshire, UK

Moo-rathon, Calf and Hen K | 6 Hour

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

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 6 hrs trail running + 164 ft ascent
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 2026
  • £27-£38
Buntingford, Hertfordshire, UK

Moo-rathon, Calf and Hen K | 4 Hour

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.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 4 hrs trail running + 164 ft ascent
Can you survive Farmmageddon? Run, jog or walk a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend for 24 hours and see how far you can go.
  • Sat 23 May 2026
  • £123-£125
Buntingford, Hertfordshire, UK

Farmmageddon | 24 Hour Challenge

Can you survive Farmmageddon? Run, jog or walk a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend for 24 hours and see how far you can go.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 21 & over
  • 24 hrs trail running + 164 ft ascent
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
Can you survive Farmmageddon? You have 12 hours to complete a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm for as far as you can. 24-hour or shorter distance options available too.
  • Sat 23 May 2026
  • £63-£65
Buntingford, Hertfordshire, UK

Farmmageddon | 12 Hour Challenge

Can you survive Farmmageddon? You have 12 hours to complete a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm for as far as you can. 24-hour or shorter distance options available too.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 21 & over
  • 12 hrs trail running + 164 ft ascent
Can you survive Farmmageddon? 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 | 5K

Can you survive Farmmageddon? A fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 5 km trail running + 164 ft ascent
Can you survive Farmmageddon? A fantastic 10K 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 | 10K

Can you survive Farmmageddon? A fantastic 10K through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 10 km trail running + 164 ft ascent
Can you survive Farmmageddon? A fantastic half marathon 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 | Half Marathon

Can you survive Farmmageddon? A fantastic half 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
  • 13.1 miles trail running + 164 ft ascent
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 2026
  • £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 + 164 ft ascent
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
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 5K trail route.
  • Sat 27 Jun 2026
  • £27-£29
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle | 5K

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 5K trail route.

  • Enter online
  • Age 14 & over
  • 5 km trail running + 164 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 10K trail route.
  • Sat 27 Jun 2026
  • £27-£29
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle | 10K

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 10K trail route.

  • Enter online
  • Age 17 & over
  • 10 km trail running + 164 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 15K trail route.
  • Sat 27 Jun 2026
  • £34-£36
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle | 15K

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 15K trail route.

  • Enter online
  • Undulating
  • Age 18 & over
  • 15 km trail running + 164 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 half marathon looped trail route.
  • Sat 27 Jun 2026
  • £34-£36
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle | Half 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 half marathon looped trail route.

  • Enter online
  • Age 18 & over
  • 13.1 miles trail running + 164 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 half marathon-plus looped trail route.
  • Sat 27 Jun 2026
  • £36-£38
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle | Heavy Half 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 half marathon-plus looped trail route.

  • Enter online
  • Undulating
  • Age 18 & over
  • 13.1 miles trail running + 164 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 2026
  • £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 + 164 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 looped ultra trail route.
  • Sat 27 Jun 2026
  • £33-£35
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle | Ultra 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 looped ultra trail route.

  • Enter online
  • Undulating
  • Age 18 & over
  • 32 miles trail running + 164 ft ascent
  • Sun 21 Sep
Rickmansworth, Hertfordshire, UK

Creative Juices 10K | Canicross 10K

  • 10 km trail running
  • Sun 21 Sep
Rickmansworth, Hertfordshire, UK

Creative Juices 10K | 10K

  • 10 km trail running + 144 m ascent
  • Sat 11 Oct
Tring, Hertfordshire, UK

Run the Wild Half Marathon - Autumn Edition

  • 21.1 km trail running + 300 m ascent
  • Sat 18 Oct
Tring, Hertfordshire, UK

Autumn 10K

  • 10 km trail running
  • Sat 1 Nov
Berkhamsted, Hertfordshire, UK

Chiltern Ridge Winter 50K

  • 50 km trail running + 800 m ascent
  • Sat 28 Mar 2026
Tring, Hertfordshire, UK

Run the Wild Half Marathon - Spring Edition

  • 21.1 km trail running + 300 m ascent
  • Sat 18 Apr 2026
Berkhamsted, Hertfordshire, UK

Chiltern Ridge Classic 50K

  • 50 km trail running

Other UK events

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