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Runs in Hertfordshire in March 2026

Find runs in Hertfordshire in March 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
  • Sat 21 Mar 2026
  • £27-£38
Buntingford, Hertfordshire, UK

Moo-rathon, Calf and Hen K

Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.

  • Newcomers
  • Dogs allowed
  • Event village
  • Age 18 & over
  • Multi-terrain run 2
Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.
  • Sun 22 Mar 2026
  • £24-£34
Waltham Cross, Hertfordshire, UK

ATW Run Fest at Lee Valley

Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.

  • Recycling
  • Newcomers
  • Event village
  • Park
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Age 15 & over
  • 10K run
  • Half marathon
  • Sat 7 Mar 2026
Berkhamsted, Hertfordshire, UK

Berko 10K

  • 10 km trail running
  • Sat 28 Mar 2026
Tring, Hertfordshire, UK

Run the Wild Half Marathon - Spring Edition

  • 21.1 km trail running + 300 m ascent

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