Bath Two Tunnels Railway Races - August 2026

The Bath Two Tunnels Railway Races take place in Bath, UK, each August. Runners can choose between a 10k or a half marathon along a traffic-free tarmac path. The race begins near Alexandra Park, following a disused railway line. This route's unique feature is passage through both the Devonshire Tunnel and the Combe Down Tunnel, noted as one of the UK's longest tunnels. The course is fast and flat, suitable for those aiming for a personal best or club runners seeking a competitive summer event. Running Forever organizes the races. Entry numbers are capped, and a cutoff time is enforced, creating a more structured atmosphere compared to large city races, while still providing a distinct Bath running experience.