Trail Running calendar near Cardiff 2026-2027

We have found 425 Trailruns within 80 miles of Cardiff. See below where and when you can find the races.

A supported winter traverse across Dartmoor on 20 February 2027 with 50 km and 30 km options. Guides, GPX and GPS trackers are provided and coach transport options are available.

Two Tunnels in Bath on 21 February 2027 offers many distances and runs through two long restored, lit and surfaced railway tunnels under the city, with start and finish at Brickfields Park and a charity contribution to Sustrans.

The Terminator is an annual 12 miles trail race around the Vale of Pewsey organised by Pewsey Vale Running Club. The club describes the course as tough but rewarding, and proceeds have helped raise over £101,000 for local charities.

A night trail event near South Brent offering 9 mile and 5 mile routes across trail and Dartmoor moorland, with a marked course, on-course beacons called the King and Queen of the Night, catering, live music and a shared sauna.

Trail races on Dartmoor centred on Widecombe in the Moor, with a half marathon, an eight mile 7EVEN and an ultra that uses much of the original route. Courses include double ascents of the Hameldown Ridge and varied moorland terrain.

A 7 hour Time Challenge at Dare Valley Country Park offering flexible distances from 3 km up to 50 km, with lap counting for half marathon, marathon and ultra. Finishers receive a medal and a goody bag, with vegan options available.

March 2027

Trail ultramarathon near Crickhowell offering 10, 20 and 40 mile marked routes with GPX files, canicross access, mandatory kit checks, three refuel zones and on site facilities.

A winter ultra around Bristol along the Community Forest Path, offered as a 45-mile full loop or 30-mile partial loop run anti-clockwise. The event is self-navigated with GPX files, checkpoints, chip timing and mandatory kit requirements.

A winter trail ultra around Bristol on the Community Forest Path, offered as 45 miles or 30 miles, run anti clockwise with staffed checkpoints, mandatory kit and bespoke finishers' tee and medal.

The Imber Ultra is an annual trail run of just over 33 miles organised by Avon Valley Runners and the Rotary Club of Westbury, with route details, checkpoints, results and photos provided by the organisers.

Trail races from Larmer Tree Gardens take runners around the Rushmore Estate with distances from a fun mile to a marathon. Courses pass chalk valleys and woodlands and include multiple feed stations and event medals.

A looped trail event from Bath Racecourse with 50 km, 29 km and 10 km route options through Bath and nearby countryside, staffed rest stops, GPS tracking, medical support, and a finisher medal and T shirt.

A 50k east to west Dartmoor traverse starting at Trenchford Reservoir and finishing near Tavistock, using live GPS tracking and three checkpoints. Solo and pairs entries allowed with a 10 hour cut off.

Trail races around Escot Park offer a single-lap 10K (about 10.5 km) and a two-lap half marathon, both off-road with climbs and mud; canicross categories are available and medals are awarded to all finishers.

Trail event in Hurn Forest offering distances from 5K up to ultra marathon on a 5.3 km out and back lap. Aid and drinks are available at lap start and finish and 20% of entry fees go to Forestry England.

A spring half marathon through way marked forest trails around Speech House Hotel with timed chip bibs, three water stations and medical cover; organised by the Rotary Club with proceeds to charity and selected for national trail championsh..

April 2027

Beach races at Pendine Sands on 11 April 2027 offering 5k, 10k and Half Marathon on a firm, measured out and back sand course. All finishers receive a bespoke medal and trophies are awarded to category winners.

A trail running event using a heritage steam train between Minehead and Bishops Lydeard, offering 11 km, 11 mile and marathon options. Routes include the Quantock Hills ridgeline and sections of the Steam Coast Trail and England Coast Path.

A city-centre trail event offering a 55 km ultra and a 25 km trail run through riverside paths, woodland and parts of the old Bristol and Bath Railway. Public parking is nearby and public transport is recommended.

Guided 18 miles trail run across the Malvern Hills on Saturday 17 April 2027, visiting ridge summits with over 1300 m of ascent. Led by an experienced guide at a social group pace, with an alcohol free beer possible afterwards.

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