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 24 May
- £34-£36
- Sat 24 May
- £34-£36
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 24 May
- £34-£36
- Sat 24 May
- £34-£36
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 24 May
- £34-£36
- Sat 24 May
- £34-£36
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 24 May
- £34-£36
- Sat 24 May
- £34-£36
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 24 May
- £34-£36
- Sat 24 May
- £34-£36
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 24 May
- £123-£125
- Sat 24 May
- £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 20 & over
- 24 hrs trail running
- Sat 24 May
- £163-£165
- Sat 24 May
- £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 20 & over
- 100 miles trail running
- 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
- Mon 5 May
Nagler Simmons Radlett Rotary Five Fields Fun Runs | 1.5K
- 1.5 km trail running
- Mon 5 May
Nagler Simmons Radlett Rotary Five Fields Fun Runs | 5K
- 5 km trail running
- Sun 18 May
Wheathampstead 10K & 2K Fun Run | 2K Fun Run
- 2 km trail running
- Sat 11 Oct
Run the Wild Half Marathon - Autumn Edition
- 21.1 km trail running