Sun, 4 Oct 2026
Next race
Start time
TBC
Status
CharityCardiff Half Marathon Entry, Date & Race Guide
Cardiff, Wales, UK
Charity
Beginner-friendlyPB-friendlyUsually sells out fast
Next race
Sunday, 4 October 2026
Location
Cardiff, Wales
Distance
Half Marathon
Surface
Road
Charity places
Entry for the 2026 Cardiff Half Marathon is currently available via charity places. This race usually sells out fast.
Verified 27 June 2026
Upcoming dates
Choose a date and check the latest entry options.
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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Shop GrenadeFrequently 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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