Two Tunnels Railway Races (Half Marathon, 10km, 5km, Colourburst)

The June instalment of the Two Tunnels Railway Races includes half marathon, 10km, 5km, and Colourburst races through Bath’s unique tunnel routes.

On Sunday, 7 June 2026, the Two Tunnels Railway Races return to Bath, Bath and North East Somerset, with a new series of half marathon, 10km, 5km, and Colourburst events. Runners can enjoy the fascinating route that passes through Bath’s converted railroad tunnels. Find detailed race information and entry registration on the event’s website.

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