Logo

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.

United Kingdom South West (England) Bath

Race information

Website Registration
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.
Trail runs nearby

Black Nore 10km

Portishead - 19 mi from Bath

The Black Nore 10km takes place on 28 September 2025 in Portishead, with the Race HQ at Portishead Open Air Pool, Esplanade Rd, BS20 7HD. The event distance is 10 km and the field is capped at 350 runners. Online registration is the primary entry route; any remaining places may be sold on the day o..

Barrows and Downs

Tilshead - 20 mi from Bath

The Barrows and Downs event, organized by And Over Trail Events, is a marathon and half marathon set in the historic southern Salisbury Plain in Wiltshire, England. Participants run among ancient barrows dating back to 3500 BC, enjoying scenic views of the Wiltshire Downs. Both race routes start and..

The White Horse Gallop

Westbury - 11 mi from Bath

White Horse Gallop is a roughly 12K off-road run held at Leighton Recreation Centre in Westbury, Wiltshire. The course traces bridleways and portions of the Imber Range, culminating in a close-up view of the iconic Westbury White Horse. Part of the Wiltshire Off Road Race League, the event awards a..

Keynsham Dandy

Keynsham - 6 mi from Bath

Keynsham Dandy is an off-road trail race organized by Town and Country Harriers (TACH) in Keynsham. The event starts from The New Inn, Bath Hill, and features a 12.5-mile course through riverside paths, rolling farmland and woodland, including the revived Compton Dando route with at least two stream..

Giddy Horse Backyard

Chepstow - 23 mi from Bath

The Giddy Horse Backyard 2025 is a running event held at Chepstow Racecourse, UK, featuring races around Piercefield Park. The course is a 4.167-mile loop combining woodland, parkland, and tarmac trails, mostly flat with gentle elevation changes. The event offers solo races of 8-hour (33 miles) and..

Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races

Chepstow - 23 mi from Bath

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races take place on Saturday 25th October 2025 at Chepstow Racecourse, Saint Lawrence Road, Chepstow, UK, NP16 6BE. Tickets for the event are currently sold out. Ticket sales close 20th October 2025. The organiser is Relish Th..