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Runs in South Wales

Find runs near me in South Wales for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Click an event for full event details, location, route, sustainability, what's included and how to enter.

An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage! Charity places now available for 2025.
  • Sun 5 Oct
  • 17 charities
  • Sun 5 Oct
  • 17 charities
Cardiff, South Glamorgan, UK

Cardiff Half Marathon charity places

An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage! Charity places now available for 2025.

  • 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 19 Apr
Newport, Isle of Wight, UK

Newport to Ryde

  • 7 miles multi terrain running
  • Sat 10 May
Cardiff, UK

Radyr Trail Races: Half Marathon and Marathon

  • Half marathon
  • Marathon
  • Sat 17 May
Merthyr Tydfil, Powys, UK

OTT Trail Marathon and 10 Mile Race - Brecon Beacons

  • 10 miler
  • Marathon
  • Sun 25 May
Swansea, West Glamorgan, UK

The Swansea 5K

  • 5 km road running

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