Two Tunnels Races

Two Tunnels Railway Races : 22 February 2026

The event is a series of running races staged at Brickfields Park, Twerton, Bath (BA2 1LX) and organised by Relish The Great Outdoors. Tickets for this date are currently sold out and ticket sales for the event close on 15 February 2026. Races are started in waves of about 100 runners to spread participants along the course. The route uses sections of the Two Tunnels shared-use path that run beneath Bath; the Devonshire Tunnel is 408 m long and Combe Down Tunnel is 1,672 m long. The organisers contribute £1 per runner to Sustrans and note over £30,000 has been raised to date.

Distances, course surface and facilities

• 500 m Colourburst fun run
• 2 km Colourburst fun run
• 5 km (waves available)
• Return Ticket 10 km (multiple waves)
• Hilly Ticket 10 km
• Return Ticket Half Marathon (multiple waves)
• Hilly Ticket Half Marathon

Return Ticket routes are described as almost entirely tarmac. Hilly Ticket routes include tarmac, woodland trail and stone paths. On-course provision varies by distance: no drinks station on the 5 km; feed stations and water/electrolyte are provided on the longer routes. On-site facilities include toilets, coffee and food vans and a bag drop; there are no changing rooms. Visit the organization's website for the most recent information.