Wye Valley Tunnel Run (Marathon, Half, 10km, Colourburst)

Enjoy an exhilarating run at the Wye Valley Tunnel Run, Sedbury, Gloucestershire, with race choices including marathon, half, 10km and a colourful fun run.

The Wye Valley Tunnel Run will be held in Sedbury, Gloucestershire on Sunday 19th July 2026. Runners can choose between marathon, half marathon, 10km, and a special Colourburst fun run, all set in picturesque countryside.

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