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Two Tunnels Races

Bath, United Kingdom • 16 Aug 2026

Two Tunnels Races in Bath, UK, organized by Relish The Great Outdoors, offer a unique set of events across a city-centre route that includes Bath’s Devonshire Tunnel (408m) and Combe Down Tunnel (1672m). Distances range from 500m Colourburst and 2km Colourburst to 5km (two waves), 10km (multiple waves), City Ticket Half Marathon (multiple waves), Marathon (multiple waves), as well as 50km Solo or Pair and a 5x10km Relay. The tunnels are lit and surfaced and form the longest underground section for any UK distance race, as part of a shared-use path through the city. Start and finish at Brickfields Park; a family-friendly atmosphere with fundraising for Sustrans (£1 per runner). Visit the organization's website for the most recent information.

United Kingdom South West (England) Bath

Race information

Website Registration
50 km
50km Pair
50 km
50km Solo
50 km
5 X 10km Relay
42 km
Marathon Wave 2
42 km
Marathon Wave 4
42 km
Marathon Wave 3
42 km
Marathon Wave 1
21 km
City Ticket Half Marathon Wave 6
21 km
City Ticket Half Marathon Wave 1
21 km
City Ticket Half Marathon Wave 2
21 km
City Ticket Half Marathon Wave 3
21 km
City Ticket Half Marathon Wave 4
21 km
City Ticket Half Marathon Wave 5
10 km
Return Ticket 10km Wave 3
10 km
Return Ticket 10km Wave 7
10 km
Return Ticket 10km Wave 6
10 km
Return Ticket 10km Wave 4
10 km
Return Ticket 10km Wave 5
10 km
Return Ticket 10km Wave 1
10 km
Return Ticket 10km Wave 2
5 km
5km Wave 2
5 km
5km Wave 1
Colourburst 2km
Colourburst 500m
Visit the organization's website for the most recent information.
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