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7 marathons found for "Wales", Half marathon, United Kingdom. Keep the list broad first, then tighten the filters when a race looks realistic.

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Cardiff, Wales, United Kingdom

Cardiff Half Marathon

Cardiff, Wales, United Kingdom

October 4, 2026 Certified

Cardiff 1.5k, 5k, 10k & Half Marathon MoRun

November 7, 2026 NOV

Conwy Half Marathon

November 15, 2026 NOV

Chepstow Running Festival January

January 24, 2027 JAN

Llanelli Half-Marathon

February 14, 2027 FEB

ABP Newport Marathon

April 18, 2027 APR

Great Welsh Marathon

October 17, 2027 OCT

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