Two Tunnels

A unique Bath running event using the Devonshire and Combe Down railway tunnels, offering multiple race distances for all ages.

Date: Sunday 16 August 2026
Location: Brickfields Park, Bath (Somerset, England)
Races: 9 distances available
Price: £10 - £152 (depending on race)

A truly special race series that takes in Bath’s attractions and features the longest underground section for each distance in the UK, using the Devonshire Tunnel (408m) and Combe Down Tunnel (1672m). The tunnels are well lit and well surfaced, creating a distinctive running experience.

Race start times & prices:

• 50K Ultra – 08.30am – £63-£67
• 50K Pair – 08.30am – £78-£82
• 5 x 10K Relay – 08.30am – £148-£152
• 500M Colourburst – 09.20am – £10-£12
• 2K Colourburst – 09.20am – £12-£14
• Marathon – 10.00am – £58-£62
• 5K – 10.40am – £24-£28
• Half Marathon – 10.50am – £44-£48
• 10K – 11.00am – £30-£34

Event features: event village, spectator-friendly atmosphere, family options, and support for Sustrans (contribution per runner noted).