The Cardiff Half Marathon has grown into one of the UK’s biggest and most popular road races, attracting tens of thousands of runners to the Welsh capital each year. Taking place every autumn, the event combines elite-level competition with an inclusive atmosphere that welcomes participants of all abilities.
First established in 2003, the race has developed into one of Europe’s largest half marathons, drawing more than 27,000 runners alongside world-class athletes competing in elite men’s, women’s and wheelchair races. It has hosted both the World and Commonwealth Half Marathon Championships and holds a prestigious World Athletics Elite Road Race Label.
Renowned for its flat and fast course, the route showcases some of Cardiff’s most iconic landmarks, including Cardiff Castle, the Principality Stadium, Cardiff Bay, the Wales Millennium Centre and Roath Park Lake. The combination of scenic views, enthusiastic crowd support and a vibrant city atmosphere makes it a favourite among both first-time runners and experienced athletes chasing personal bests.
Thousands of spectators line the streets to cheer on participants, creating an electric race-day experience throughout the city. The event also raises millions of pounds for charities every year and has become a major fixture in Wales’ sporting calendar.
Alongside the main race, the weekend features family-friendly activities, junior events and a bustling event village, offering entertainment and support for runners and spectators alike. Whether taking on the challenge for charity, fitness or competition, the Cardiff Half Marathon delivers an unforgettable experience in one of the UK’s most welcoming running destinations.