2023 Principality Cardiff Half Marathon

Sunday 1st October 2023

Cardiff City Centre: Cardiff Castle, Cardiff, United Kingdom

Running, Distance running


  • Individual - Early Bird Entry
  • Individual - General Entry
  • Individual - International Entry
  • Individual - Affiliated Entry
  • Individual - Welsh Athletics Entry
  • Charity Entry - NSPCC Early Bird Fundraiser
  • Charity Entry - NSPCC Fundraiser
  • Team Portal - Fundraising Coordinator
  • Team Portal - Fundraiser
  • Team Portal - Team Challenge Captain
  • Team Portal - Team Challenge Member
  • Welsh Distance Double - Multi Event Pass


The Principality Building Society Cardiff Half Marathon has grown into one of the largest and most exciting road races in Europe. It is the UK’s second largest half marathon and Wales’ largest multi-charity fundraising event.

The race is a member of the SuperHalfs, a global series of the world’s most prestigious half marathons including races in Lisbon, Prague, Copenhagen and Valencia and has been awarded a Gold Road Race Label by World Athletics.

Its flat, fast course passes all of the city’s most breathtaking 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.

Event details and schedule

Organised by

Run 4 Wales

Capital Retail Park, Leckwith Road, Canton

Phone: 02921 660 790

Event Images