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Ultra runs in Hertfordshire in Spring
Find ultra runs in Hertfordshire in Spring - 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 - Sun 24 May 2026
- £33-£165
Buntingford, Hertfordshire, UK
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.
- Newcomers
- Event village
- Rural
- Age 18 & over
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- + 2 more races
- Sun 31 May 2026
- £27-£38
Ware, Hertfordshire, UK
Circuit Du Sore Legs
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?
- Families
- Newcomers
- Event village
- Park
- Age 14 & over
- 5K run
- 10K run
- Half marathon
- Marathon
- 50K ultra run
- + 1 more race