Cardiff Half Marathon
Cardiff, UK · Sun 3 October 2027
About this race
The course: Flat and fast, past Cardiff Castle and over the Cardiff Bay barrage.
Race-day weather: usually 10–15°C.
Getting there: fly into Cardiff (CWL) or Bristol (BRS), or travel by train.
How you get in: Ballot (UK and international), plus charity places.
Entry fee: About £59 UK / £70 international.
Cardiff Half Marathon: your questions answered
When is the Cardiff Half Marathon 2027?
The Cardiff Half Marathon is on Sun 3 October 2027.
How do I get a place in the Cardiff Half Marathon?
Ballot (UK and international), plus charity places. Yes, ballot closes midnight Sun 18 Oct 2026. Results 22 Oct. The ballot is open now.
When can I enter the Cardiff Half Marathon 2028?
The 2028 race is expected around Sun 1 Oct 2028. Free ballot, early to mid Oct 2027.
What is the Cardiff Half Marathon course like?
Flat and fast, past Cardiff Castle and over the Cardiff Bay barrage. It's one of the flat, fast courses we recommend for a PB.
What's the weather like on race day?
Usually around 10–15°C at race time in October.
How do I get to the Cardiff Half Marathon?
Fly into Cardiff (CWL) or Bristol (BRS). You can also get there by train. Arrive at least the day before: most big races ask you to collect your bib in person.
Is the Cardiff Half Marathon good for a first half marathon?
Yes. It's a friendly course with plenty of support, so it suits a first-timer.
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