The Early Years
2012Established in 2012, the Cardiff Half Marathon is now 14 years old. From its first edition in Cardiff, it has evolved into a race that reflects the character of its host region in United Kingdom.
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4 oct 2026
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The Cardiff Half Marathon is a fast, predominantly flat urban course starting and finishing in Cathays Park. The route takes runners through the city centre, past iconic landmarks including Cardiff Castle, Llandaff Cathedral, and along the scenic Taff Trail, before returning through the historic Bute Park.
Clima típico del mes de la carrera: una estimación, no un pronóstico ni un registro del día de la carrera
Typical Welsh autumn weather with mild temperatures and moderate rainfall risk. Runners should prepare for potentially damp conditions and layering options, though October is generally more stable than winter months.

The Race

Cardiff
Established in 2012, the Cardiff Half Marathon is now 14 years old. From its first edition in Cardiff, it has evolved into a race that reflects the character of its host region in United Kingdom.
Runners come to the Cardiff Half Marathon for one reason: personal bests. The flat, fast course through Cardiff has a reputation as a PB factory, with the roads seemingly designed to keep your pace honest and your splits consistent from start to finish.
For thousands of runners each year, the Cardiff Half Marathon is their first half marathon. The combination of a forgiving course, generous time limits, and supportive crowds has earned this race a reputation as the place where marathon journeys begin. The first-timer energy on race morning is palpable.
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