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Ultra runs in Hertfordshire in Summer

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

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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 looped ultra trail route.
  • Sat 27 Jun 2026
  • £33-£35
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle | Ultra 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 looped ultra trail route.

  • Enter online
  • Undulating
  • Age 18 & over
  • 32 miles trail running + 164 ft ascent
  • Sun 19 Jul 2026
Stevenage, Hertfordshire, UK

Fairlands Valley Challenge | 50K Ultra

  • 50 km trail running

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