Race detail
Cardiff Half Marathon 2026 Entry, Date & Race Info
Cardiff, Wales, UK
Last checked: 5 May 2026
Quick summary
The Cardiff Half Marathon is one of Europe’s largest mass-participation half marathons, attracting tens of thousands of runners to a fast and predominantly flat 13.1-mile course through the Welsh capital of Cardiff.
Next race
Sunday, 4 October 2026
Location
Cardiff, Wales
Distance
Half Marathon
Surface
Road
Upcoming dates
Choose a date and check the latest entry options.
| Date | Start time | Status | Entry |
|---|---|---|---|
Sun, 4 Oct 2026Next race | TBC | Charity | Charity |
Race overview
About Cardiff Half Marathon
The Cardiff Half Marathon is one of Europe’s largest mass-participation half marathons, attracting tens of thousands of runners to a fast and predominantly flat 13.1-mile course through the Welsh capital of Cardiff. Known for its big-event atmosphere and strong crowd support, it delivers a major race experience from start to finish.
The route takes in many of the city’s most recognisable landmarks, including Cardiff Castle, the Principality Stadium and the waterfront areas of Cardiff Bay, combining a scenic city tour with genuine PB potential. As part of the SuperHalfs series, demand is consistently high, with a ballot entry system and strong appeal for both first-time half marathon runners and experienced athletes targeting a quick time.
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Frequently asked questions
Is Cardiff Half Marathon 2026 entry open?
Entry for the 2026 Cardiff Half Marathon is currently available via charity places. This race usually sells out fast.
When is Cardiff Half Marathon?
Cardiff Half Marathon takes place on Sunday, 4 October 2026.
How can you enter Cardiff Half Marathon?
Entry is currently available through charity places.
What is the Cardiff Half Marathon course like?
The Cardiff Half Marathon is one of Europe’s largest mass-participation half marathons, attracting tens of thousands of runners to a fast and predominantly flat 13.1-mile course through the Welsh capital of Cardiff. Known for its big-event atmosphere and strong crowd support, it delivers a major race experience from start to finish.
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