Runs in Hertfordshire
Find 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 27 Jun 2026
- £34-£36
- Sat 27 Jun 2026
- £34-£36
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

- Sat 27 Jun 2026
- £36-£38
- Sat 27 Jun 2026
- £36-£38
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

- Sat 27 Jun 2026
- £33-£38
- Sat 27 Jun 2026
- £33-£38
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

- Sat 27 Jun 2026
- £33-£35
- Sat 27 Jun 2026
- £33-£35
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
- Sat 19 Jul
Humanity Direct Chiltern Challenge | Ultra
- 50 km road running + 870.69 m ascent
- Sat 19 Jul
Humanity Direct Chiltern Challenge | 10km
- 10 km trail running + 257.58 m ascent
- Sat 19 Jul
Humanity Direct Chiltern Challenge | Half Ultra
- 27 km trail running + 526.75 m ascent
- Sat 2 Aug
First Saturday of the Month 5K
- 5 km road running
- Sat 6 Sep
First Saturday of the Month 5K
- 5 km road running
- Sat 4 Oct
First Saturday of the Month 5K
- 5 km road running
- Sat 11 Oct
Run the Wild Half Marathon - Autumn Edition
- 21.1 km trail running + 300 m ascent
- Sat 1 Nov
Chiltern Ridge Winter 50K
- 50 km trail running + 800 m ascent
- Sat 1 Nov
First Saturday of the Month 5K
- 5 km road running
- Sat 6 Dec
First Saturday of the Month 5K
- 5 km road running