Marathons in Hertfordshire
Find marathons 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 23 May
- £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.
- 26.2 miles trail running + 1312 ft ascent
- Sun 31 May
- £36-£38
Circuit Du Sore Legs | Full Marathon
In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
- 26.2 miles track and field
- Sat 27 Jun
- £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.
- 26.2 miles trail running + 1312 ft ascent
- Sat 31 Oct
- £36-£38
Halloween Hobble | Full Marathon
Come join a Halloween Party of a different kind
- 26.2 miles track and field
- Sun 19 Jul
- £23-£25
Fairlands Valley Challenge | Marathon
- 26.2 miles trail running