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Half marathons in South East in December 2025

Find half marathons near me in South East in December 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 new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
  • Sun 14 Dec
  • £26-£37.50
  • Sun 14 Dec
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Dec | Half Marathon

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

  • Enter online
  • Hilly
  • Age 16 & over
  • 13.1 miles multi terrain running + 2772 ft ascent
  • Fri 26 Dec
Egham, Surrey, UK

Boxing Day Challenge | Half Marathon

  • 13.1 miles trail running + 0 ft ascent
  • Sun 28 Dec
Walton-on-Thames, Surrey, UK

Year End Marathon & Half Marathon | Half Marathon

  • 13.1 miles trail running

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