Trail runs in Hertfordshire
Find trail runs near me in Hertfordshire for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 28 Jun
- £23-£37.50
- Sat 28 Jun
- £23-£37.50
Cock-a-doodle Dawdle | 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
- Sat 28 Jun
- £23-£37.50
- Sat 28 Jun
- £23-£37.50
Cock-a-doodle Dawdle | 4 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
- 4 hrs trail running
- Sat 21 Mar 2026
- £27-£38
- Sat 21 Mar 2026
- £27-£38
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
- Sat 21 Mar 2026
- £27-£38
- Sat 21 Mar 2026
- £27-£38
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
- Sat 23 May 2026
- £63-£65
- Sat 23 May 2026
- £63-£65
Farmmageddon | 12 Hour Challenge
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.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 21 & over
- 12 hrs trail running
- Sat 23 May 2026
- £123-£125
- Sat 23 May 2026
- £123-£125
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
- Sat 23 May 2026
- £163-£165
- Sat 23 May 2026
- £163-£165
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
- Sat 23 May 2026
- £33-£38
- Sat 23 May 2026
- £33-£38
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
- Sat 23 May 2026
- £33-£38
- Sat 23 May 2026
- £33-£38
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
- Sat 23 May 2026
- £33-£38
- Sat 23 May 2026
- £33-£38
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
- Sat 23 May 2026
- £33-£38
- Sat 23 May 2026
- £33-£38
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
- Sat 23 May 2026
- £33-£38
- Sat 23 May 2026
- £33-£38
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 19 Jul
Humanity Direct Chiltern Challenge | Half Ultra
- 27 km trail running
- Sat 11 Oct
Run the Wild Half Marathon - Autumn Edition
- 21.1 km trail running
- Sat 1 Nov
Chiltern Ridge Winter 50K
- 50 km trail running + 800 m ascent