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Runs in Cardiff

Find runs in Cardiff in 2026/2027 - filter by date, location or category, 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.

It's time to conquer the Cardiff Summer 5K, 10K or Half Marathon, have a morning out with family, friends, or colleagues, and enjoy the stunning Bute Park, then receive your superb medal!
  • Sat 6 Jun
  • £25-£35
Cardiff, UK

Conquer Cardiff Summer

It's time to conquer the Cardiff Summer 5K, 10K or Half Marathon, have a morning out with family, friends, or colleagues, and enjoy the stunning Bute Park, then receive your superb medal!

  • 5K run
  • 10K run
  • Half marathon
An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage!
  • Sun 4 Oct
  • £5-£60
Cardiff, South Glamorgan, UK

Oysho Cardiff Half

An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage!

  • 13.1 miles road running + 81 m ascent
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready, Cardiff!
  • Sun 1 Nov
  • £8-£35
Cardiff, UK

Cardiff MoRun

MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready, Cardiff!

  • Fun run
  • 5K run
  • 10K run
  • Half marathon
  • Sun 1 Mar
  • £10-£35
Cardiff, UK

St Davids Day Run

  • Fun run
  • 5K run
  • 10K run
  • Half marathon
  • Sun 1 Mar
  • £80
Cardiff, Mid Glamorgan, UK

Brecon to Cardiff Ultra

  • 70 km trail running
  • Sat 9 May
  • £40-£50
Cardiff, UK

Radyr Trail Races: Half Marathon and Marathon

  • Half marathon
  • Marathon
  • Sun 6 Sep
  • £9-£34
Cardiff, UK

CDF 10K

  • Fun run
  • 10K run
  • Sat 3 Oct
  • £2-£12
Cardiff, UK

Cardiff Half Junior

  • Fun run 3

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