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Trail runs in Hertfordshire
Find trail runs in Hertfordshire in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 21 Mar 2026
- £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.
- Newcomers
- Dogs allowed at venue
- Event village
- Age 18 & over
- Multi-terrain run 2
- Sat 23 - Sun 24 May 2026
- £33-£165
Buntingford, Hertfordshire, UK
Farmmageddon
Can you survive Farmmageddon? You have 32 hours to complete 100 miles over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm. 24-hour or shorter distance options too.
- Newcomers
- Event village
- Rural
- Age 18 & over
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- + 2 more races
- Sat 27 Jun 2026
- £27-£38
Buntingford, Hertfordshire, UK
Cock-a-doodle Dawdle
Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
- Newcomers
- Dogs allowed at venue
- Event village
- Rural
- Age 14 & over
- 5K run
- 10K run
- Trail run
- Half marathon 2
- Marathon
- + 1 more race
- 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
- Sun 19 Jul 2026
Stevenage, Hertfordshire, UK
Fairlands Valley Challenge
- 10K run
- Half marathon
- Trail run
- Marathon
- 50K ultra run