Cardiff Half Marathon - Sunday 5th October 2025 - World Meningitis Day
The Principality Cardiff Half Marathon has grown into one of the largest and most exciting road races in Europe. It is Wales’ largest mass-participation and multi-charity fundraising event and the second largest half in the UK and is ideal for both beginners and seasoned runners.
Its flat, fast course passing all the city’s most breath-taking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay. We will be there with thousands of spectators to cheer you on.
Be part of this extraordinary event where your steps on the streets of Cardiff echo the strides we're making towards a world free from meningitis. Together, we can light the path to a healthier future.
Each step you take in Cardiff for World Meningitis Day is a step towards defeating meningitis - together we can do it.