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Runs in South Wales in October 2025

Find runs near me in South Wales 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

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An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage!
  • Sun 5 Oct
  • Entries closed
  • Sun 5 Oct
  • Entries closed
Cardiff, South Glamorgan, UK

Oysho Cardiff Half

Secure your charity place in the Cardiff Half today. Run for charity in one of the best half marathons in the world while supporting top UK charities. Find a cause and join their team today!

  • Families
  • Carbon offset
  • Wheelchair users
  • Recycling
  • Entertainment
  • Music
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Fancy dress
  • Event village
  • Urban
  • Coast
  • Sustainability policy
  • Public transport links
  • Age 17 & over
  • 13.1 miles road running
  • Sat 4 Oct
Swansea, West Glamorgan, UK

Gower Ultra 50, Ultra Bach & Trail Race | Ultra 50

  • 50 miles trail running + 3875 ft ascent
  • Sat 4 Oct
Bridgend, Mid Glamorgan, UK

Hateful 8 Ultra Loop

  • 8 hrs multi terrain running
  • Sat 4 Oct
Swansea, West Glamorgan, UK

Gower Ultra 50, Ultra Bach & Trail Race | Ultra Bach

  • 34 miles trail running + 3652 ft ascent
  • Sat 4 Oct
Swansea, West Glamorgan, UK

Gower Ultra 50, Ultra Bach & Trail Race | Trail Race

  • 23 miles trail running + 2638 ft ascent
  • Sun 12 Oct
Newport, Rhode Island, USA

Amica Newport Marathon

  • 26.2 miles road running + 866 ft ascent
  • Fri 31 Oct
Hereford, Powys, UK

Black Beacon Mountain Races | 100 Mile

  • 100 miles trail running + 7500 m ascent

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