Oysho Cardiff Half Marathon 2026Join the second largest UK half marathon, popular as one of the famous SuperHalfs series. And enjoy the fantastic atmosphere and tremendous support of the residents and businesses of Cardiff. Please note, the fundraising target is 300.

2-mile race takes you through stunning Highland scenery

you’ll feel proud knowing that your incredible efforts are helping fund vital research and campaigning to find new treatments and

Take part in the world’s biggest half marathon

made worth it by the stunning landscapes and natural wonders that Iceland has to offer

St James’s Park and Kensington Gardens

Dive in to this memorable challenge

at the same time

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Accelerating Research

1 Festival Square

you’ll feel incredibly proud knowing that with every mile you tick off

Race through East London on the fast and scenic 13