Cardiff Half Marathon

OCT
4
2026
Take on the Cardiff Half Marathon on 04 October 2026, a fast, flat route past Cardiff Castle, the Principality Stadium and Cardiff Bay. One of the UK's largest half marathons, it blends elite racing with thousands of charity and community runners.
Sun 4 Oct 2026
Half Marathon

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Cardiff Half Marathon

The Cardiff Half Marathon is a mass-participation road race scheduled for 04 October 2026. It is described as the UK’s second largest half marathon and Wales’ largest mass participation and multi-charity fundraising event. The event is a member of the SuperHalfs series and holds an Elite Race Label from World Athletics. Over 27,500 people register to run the Cardiff Half each year.

Course and competition

The course is described as flat and fast and passes several city landmarks, including Cardiff Castle, the Principality Stadium, the Civic Centre and Cardiff Bay. The event features elite races for men, women and wheelchair athletes and also attracts world-class competitors. Thousands of spectators typically line the route to watch the race.

Charity and community

The Cardiff Half combines mass participation with multi-charity fundraising. The event includes charity runners alongside first-time and regular participants. Volunteering and community roles are part of the event structure. Visit the organization's website for the most recent information.

Half Marathon
Half Marathon