Two Tunnels Races

Bath, United Kingdom • 22 Feb 2026

Two Tunnels Races in Bath, UK, organized by Relish The Great Outdoors, offer a unique underground running experience alongside city scenery. The courses pass through the Devonshire Tunnel (408m) and the longer Combe Down Tunnel (1672m), both well-lit and surfaced as a shared-use path—the longest underground section for UK race distances. Start and finish are at Brickfields Park in Twerton.

Distances include 500m and 2km Colourburst; 5km (two waves); 10km options (Return and various waves); 10km Hilly; Half Marathon (Return and Hilly variants). The event caters to families and beginners, with a charity element supporting Sustrans (£1 per runner) and over £30,000 raised to date. Tickets are sold out. Visit the organization's website for the most recent information.

Race information

21 km
Hilly Ticket Half Marathon Wave 2
21 km
Hilly Ticket Half Marathon Wave 1
21 km
Return Ticket Half Marathon Wave 3
21 km
Return Ticket Half Marathon Wave 2
21 km
Return Ticket Half Marathon Wave 1
10 km
Return Ticket 10km Wave 3
10 km
Hilly Ticket 10km
10 km
Return Ticket 10km Wave 1
10 km
Return Ticket 10km Wave 2
10 km
Return Ticket 10km Wave 4
10 km
Return Ticket 10km Wave 5
10 km
Return Ticket 10km Wave 6
10 km
Return Ticket 10km Wave 7
5 km
5km Wave 1
5 km
5km Wave 2
Colourburst 2km
Colourburst 500m
Visit the organization's website for the most recent information.
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