Registration Fee £25

What we love

Fast and flat Beautiful scenery Lively crowds

Cardiff Half Marathon

Registration Fee £25
Sunday 5 October 2025
whereCardiff difficultyintermediate raise£250

What we love

  • Fast and flat
  • Beautiful scenery
  • Lively crowds
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The Cardiff Half Marathon has grown into one of the largest and most exciting road races in the UK. Its flat, fast course passes all of the city’s most breath-taking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay.

Thousands of spectators turn out to cheer on the runners in a city renowned for its sporting passion.

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