10

Runs in Hertfordshire in October 2025

Find runs near me in Hertfordshire in October 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.
  • Sun 26 Oct
  • £55
  • Sun 26 Oct
  • £55
Bishop's Stortford, Essex, UK

Stort30

A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.

  • Newcomers
  • Chip timing
  • Enter online
  • Flat
  • Event village
  • Rural
  • Age 18 & over
  • 30 miles trail running + 188 ft ascent
  • Sat 4 Oct
Letchworth Garden City, Hertfordshire, UK

First Saturday of the Month 5K

  • 5 km road running
  • Sun 5 Oct
Letchworth Garden City, Hertfordshire, UK

Standalone 10K | 10K

  • 10 km road running
  • Sun 5 Oct
Letchworth Garden City, Hertfordshire, UK

Standalone 10K | Fun Run

  • 800 m road running
  • Sat 11 Oct
Tring, Hertfordshire, UK

Run the Wild Half Marathon - Autumn Edition

  • 21.1 km trail running + 300 m ascent
  • Sun 12 Oct
Hatfield, Hertfordshire, UK

Willow 10K | Family Fun Run

  • 1.8 km road running
  • Sun 12 Oct
Hatfield, Hertfordshire, UK

Willow 10K | 5K

  • 5 km road running
  • Sun 12 Oct
Hatfield, Hertfordshire, UK

Willow 10K | 10K

  • 10 km road running
  • Sat 18 Oct
Tring, Hertfordshire, UK

Autumn 10K

  • 10 km trail running
  • Sun 19 Oct
Stevenage, Hertfordshire, UK

Stevenage Half Marathon | Stevenage Half Marathon

  • 13.1 miles road running

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