Wye Valley Tunnel Run Marathon

July 2026

Start Time : TBC
Number of Places : TBC

The Wye Valley Tunnel Run Marathon is organised by Relish Running. Based at Sedbury, Gloucestershire, it is part of an event also including two half marathon routes and a 10K.

Wye Valley Tunnel Run Marathon Route
From Wyedean School, Beachley Road, Sedbury, runners follow a 2-lap, mainly flat, out-and-back course from Sedbury on the outskirts of Chepstow. There is a short 50m rocky section. Participants will run via the tunnel for approximately 4 miles.

Wye Valley Tunnel Run Marathon Entry
* Entry Fee : TBC
* Registration Deadline : TBC

Contact Information
Contact : Event Director
Website : https://www.relishrunningraces.com