Wye Valley Tunnel Run Marathon

19 July 2026

Start Time : 10:00 a.m.
Number of Places : Up t0 100 runners are expected.

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 : £60
* Registration Deadline : 13 July

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