Wye Valley Tunnel Run | 2027

The Wye Valley Tunnel Run 2025 offers a spectacular running experience along the scenic Wye Valley Greenway, featuring the 1.1km Tidenham Tunnel. With distances including a marathon, two half marathons, a 10km, and two family-friendly Colourburst fun runs, there's a race for everyone. Participants enjoy chip timing, hydration stations, finish-line snacks, and a community-focused atmosphere with parking, medical support, and bag storage. Set in beautiful Chepstow, this event blends heritage and outdoor adventure.