Availability
Registration Closed
Event Day
Sunday, 4th October, 2026
Registration Fee
£130
Minimum Age
17
Location
Cardiff CF10 3RB, UK
Waiting List. Our entires in the Cardiff Half Marathon have now sold out, but this waiting list will be used to replace any dropouts (if you still want to do it if one opens up). If you are unsuccessful, any registration fees will be returned.
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.