10 Ultra runs in Hertfordshire

Find ultra runs in and around Hertfordshire - filter events by date, display on a map or use the advanced search to find your perfect race.

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  • Sat 23 Sep
  • £65
Tring, Hertfordshire, UK

Humanity Direct Tring Ultra | Ultra

Explore the picturesque Chilterns, now with a half ultra option!

  • 31 miles trail running
  • Sat 23 Sep
  • £38
Tring, Hertfordshire, UK

Humanity Direct Tring Ultra | Half Ultra

Explore the picturesque Chilterns, now with a half ultra option!

  • 17 miles trail running
  • Sat 4 Nov
  • £53-£55
Ware, Hertfordshire, UK

Rocket Around the Running Track

Take part in the 2023 Fireworks Festival of Running - this is a 12hour race

  • 12 hrs
  • Newcomers
  • Music
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Event village
  • Park
  • Age 18 & over
  • Ultra runs
  • Sat 4 Nov
  • £53-£55
Ware, Hertfordshire, UK

Fireworks 50

Take part in the 2023 Fireworks Festival of Running

  • 50 miles
  • Newcomers
  • Music
  • Chip timing
  • Enter online
  • Flat
  • Event village
  • Park
  • Age 18 & over
  • Ultra runs
  • Sat 4 Nov
  • £30-£35
Ware, Hertfordshire, UK

Catherine Wheel Canter | Ultra

Take part in the 2023 Fireworks Festival of Running

  • 50 km road running
  • Sat 4 Nov
  • £30-£35
Ware, Hertfordshire, UK

Catherine Wheel Canter | 6 Hours

Take part in the 2023 Fireworks Festival of Running

  • 6 hrs road running
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 18 & over
  • Ultra runs
  • Sat 4 Nov
  • £30-£35
Ware, Hertfordshire, UK

Guy Fawkes Gallop | Ultra

Take part in the 2023 Fireworks Festival of Running. This is a 6hour PM event.

  • 50 km road running
  • Sat 4 Nov
  • £30-£35
Ware, Hertfordshire, UK

Guy Fawkes Gallop | 6 Hour

Take part in the 2023 Fireworks Festival of Running. This is a 6hour PM event.

  • 6 hrs road running
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 18 & over
  • Ultra runs
  • Fri 10 Nov
  • £255-£280
Tring, Hertfordshire, UK

The Druid's Challenge

The Ridgeway in 3 days - 136km ultra through beautiful hills and countryside in November

  • 3 days trail running
  • Newcomers
  • Enter online
  • Event village
  • All ages
  • Ultra runs
  • Sat 23 Mar 2024
  • £50-£52
Welwyn Garden City, Hertfordshire, UK

London Lea Valley Ultra

The “Lea Valley 50 km” is a fast 50 km from Welwyn Garden City to Hackney Wick in East London.

  • 50 km road running
  • Trees not tees
  • Newcomers
  • Enter online
  • Event village
  • Rural
  • Age 20 & over
  • 50K ultra runs