Wye Valley Tunnel Run (10Km, Half Marathon & Marathon)

A summer running event from Wyedean School featuring 10km, half marathon and marathon routes that include long tunnel sections.

Wye Valley Tunnel Run

This event uses old railway paths and includes extensive tunnel running in the Tidenham Tunnel. Routes are predominantly flat on solid surfaces, with distances including 10km, half marathon and marathon options.

Date: Sunday 18 July 2027

Start times: Main races start from 10:00 (see provisional schedule for wave details).

Location: Wyedean School, Beachley Road, Sedbury, Chepstow, NP16 7AA

Prices: 10km £32; Half Marathon £46; Marathon £60 (colourburst also available separately).

Minimum ages: 10km 14+; Half 17+; Marathon 18+.