Ultra runs in Hertfordshire
Find ultra 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.
Search by month
Search by place
MapEvents near me
Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 24 May
- £34-£36
- Entries close soon
- Sat 24 May
- £34-£36
- Entries close soon
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
- Entries close soon
- Sat 24 May
- £123-£125
- Entries close soon
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
- Entries close soon
- Sat 24 May
- £163-£165
- Entries close soon
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
- Sun 1 Jun
- £35.50-£37.50
- Sun 1 Jun
- £35.50-£37.50
Circuit Du Sore Legs | Part Cinq | Ultra Marathon
In its fifth 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?
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 18 & over
- 50 km track and field
- Sun 1 Jun
- £35.50-£37.50
- Sun 1 Jun
- £35.50-£37.50
Circuit Du Sore Legs | Part Cinq | 6 Hour Challenge
In its fifth 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?
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 18 & over
- 6 hrs track and field
- Sat 1 Nov
- £55.50-£57.50
- Sat 1 Nov
- £55.50-£57.50
Rocket Around the Running Track
Welcome to the Fireworks Festival of Running! Come and tackle the 400 metre athletics track for 12 hours and see how far you can go!
- Newcomers
- Music
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Event village
- Park
- Age 18 & over
- 12 hrs track and field
- Sat 1 Nov
- £55.50-£57.50
- Sat 1 Nov
- £55.50-£57.50
Fireworks 50
Welcome to the Fireworks Festival of Running! Come and tackle the 400 metre athletics track for the festival's ultimate goal of 50 miles in 12 hours! Have you got what it takes?
- Newcomers
- Music
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Event village
- Park
- Age 18 & over
- 50 miles track and field
- Sat 1 Nov
- £35.50-£37.50
- Sat 1 Nov
- £35.50-£37.50
Catherine Wheel Canter | Ultra Marathon
Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can complete more than a marathon over multiple laps of the 400m circuit.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 50 km track and field
- Sat 1 Nov
- £35.50-£37.50
- Sat 1 Nov
- £35.50-£37.50
Catherine Wheel Canter | 6 Hours
Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can keep going for 6 hours doing laps of the 400m circuit - a physical and mental test of stamina.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 6 hrs track and field
- Sat 1 Nov
- £35.50-£37.50
- Sat 1 Nov
- £35.50-£37.50
Guy Fawkes Gallop | Ultra Marathon
Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can complete more than a marathon over multiple laps of the 400m circuit.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 50 km track and field
- Sat 1 Nov
- £35.50-£37.50
- Sat 1 Nov
- £35.50-£37.50
Guy Fawkes Gallop | 6 Hour
Welcome to the Fireworks Festival of Running! Come and tackle the track to see whether you can keep going for 6 hours doing laps of the 400m circuit - a physical and mental test of stamina.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 6 hrs track and field