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Trail Half marathons in South East in October 2025

Find trail half marathons in South East in October 2025 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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The toughest trail run in the South East is back by popular demand. Likened to fell running, the 21K route includes steep, rocky ascent on lesser-known trails through the luscious Hurtwood Forest.
  • Sat 11 Oct
  • £35
Guildford, Surrey, UK

The Hurt | 21km

The toughest trail run in the South East is back by popular demand. Likened to fell running, the 21K route includes steep, rocky ascent on lesser-known trails through the luscious Hurtwood Forest.

  • Chip timing
  • Enter online
  • Hilly
  • Age 17 & over
  • 21 km trail running + 650 m ascent
An unforgettable race between the pines and beneath the majestic canopy of Bedgebury Forest - a trail race that will ignite your racer's heart.
  • Sun 19 Oct
  • £31
Goudhurst, Kent, UK

Bedgebury Forest Half Marathon

An unforgettable race between the pines and beneath the majestic canopy of Bedgebury Forest - a trail race that will ignite your racer's heart.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running
Get involved in this spooky half marathon! The Care Bears were a staple of anyone who grew up in the 80s and even if you didn't like them, they make a super cute (slightly scary) medal to earn.
  • Sat 25 Oct
  • £23-£35
Staines, Surrey, UK

Scare Bear Run | Half Marathon

Get involved in this spooky half marathon! The Care Bears were a staple of anyone who grew up in the 80s and even if you didn't like them, they make a super cute (slightly scary) medal to earn.

  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
  • Sun 26 Oct
Eastbourne, East Sussex, UK

Beachy Head Marathon | Half Marathon

  • 13.1 miles trail running + 1601 ft ascent

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