Two Tunnels Races
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Event overview
Two Tunnels - June 2026 takes place on Sunday 7 June 2026 in Bath, UK. The start and finish are at Brickfields Park, The Hollow, Twerton, Bath, BA2 1LX. The route uses the Two Tunnels shared-use path that runs beneath the city and includes an underground section that the organiser describes as the longest underground section for each race distance in the UK. The two tunnels are the Devonshire Tunnel (408 m) and Combe Down Tunnel (1,672 m). The organiser is Relish The Great Outdoors. The event supports Sustrans with a contribution of £1 per runner and the organiser reports over £30,000 raised to date.
Tickets for the event are currently sold out. Ticket sales close on 1 June 2026.
Distances and event format
- Ultra marathon
- 50 km relay
- Marathon
- Half marathon (three different routes)
- 10 km (two different routes)
- 5 km
- 2 km
- 500 m Colourburst
Brickfields Park includes a children’s playground and space suitable for a post-race picnic. The Two Tunnels path is described as well lit and surfaced for shared use by runners, walkers, and cyclists. Visit the organization's website for the most recent information.
