Trail runs in Hertfordshire
Find trail runs 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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- Sat 21 Mar
- £29-£38
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.
- Multi-terrain run 2
- Sat 23 - Sun 24 May
- £33-£165
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.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- + 2 more races
- Sat 27 Jun
- £27-£38
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.
- Multi-terrain run 2
- 5K run
- 10K run
- Trail run
- Half marathon 2
- Sun 25 Oct
- £35-£55
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.
- 30 miles trail running + 188 ft ascent
- Sat 28 Mar
Run the Wild Half Marathon - Spring Edition
- 21.1 km trail running + 300 m ascent
- Sun 19 Jul
Fairlands Valley Challenge
- 10K run
- Half marathon
- Trail run
- Marathon
- 50K ultra run
- Sat 31 Oct
Chiltern Ridge Winter 50K
- 50 km trail running + 800 m ascent