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

The Wye Valley Tunnel Run presents a choice of running distances in Sedbury, Gloucestershire, including marathon, half, 10km and Colourburst events.

The Wye Valley Tunnel Run takes place in Sedbury, Gloucestershire, with participants able to select from marathon, half-marathon, 10km and Colourburst runs. Join the event on Sunday, 19 July 2026, with entry fees between £10.80 and £64.80.

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