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Half marathons in Wales in July 2026

Find half marathons in Wales in July 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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Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
  • Sat 25 Jul 2026
  • £16-£35
Aberdare, Mid Glamorgan, UK

Ooops I Ran It Again | Wales

Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!

  • Families
  • Beginner-friendly
  • Event village
  • Park
  • All ages
  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Sun 12 Jul 2026
Caernarfon, Gwynedd, UK

Snowdonia Trail Half Marathon Eryri

  • 12.9 miles trail running

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