Cardiff Half Marathon
Where: Cardiff
When: 4th October 2026
Registration Fee: £35
Minimum sponsorship: £400
The 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.
Its flat, fast course passes all 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.
Show your support for Headway - the brain injury association and take part in this unbelievable event in Cardiff.
Find other challenge events
Three Peaks Challenge
June and September 2026 - Join us as we climb the highest mountains in the UK – Ben Nevis, Scafell Pike and Snowdon!
Find out more