3 50K ultra runs in Hertfordshire

Find 50k 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 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

Guy Fawkes Gallop | Ultra

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

  • 50 km road running
  • 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