Trail Running calendar near Caerphilly 2025-2026

We have found 225 Trailruns within 80 miles of Caerphilly. See below where and when you can find the races.

Beacons Way Ultra 100 Mile is a rugged ultra race across the Brecon Beacons National Park in Wales. Starting from Abergavenny Castle, the route follows the Beacons Way for about 100 miles with around 6,143 metres of ascent and 250 entrants...

South West Coast 50 : event overview The South West Coast 50 is an Ultra Challenge event held on Saturday 25 July 2026, based at Dunster basecamp in Somerset. The event uses sections of the South West Coast Path and routes over Exmoor. Part..

Conquer Pen Y Fan in this scenic trail run to the highest peak in South Wales, with 5 and 13 mile routes to suit all levels. Enjoy chip timing, a medal and finish refreshments on marshalled National Trust trails.

August 2026

The EDDUM 2026 is a 50-mile trail challenge around the Epynt Way, staged by Pegasus Ultra Running. The route loops around the Sennybridge Training Area, one of the UK’s largest military training zones, tracing the boundary of the Epynt Way..

The Railway Ultra is a multi-distance running event staged along the River Severn from Ironbridge to Bridgnorth, using a disused railway line with striking river views and hints of industrial heritage. Runners choose from 9 miles, 13.1 mile..

Event overview Totnes 10K takes place on Sunday 2nd August 2026. The organisers note that the permanent route adopted after erosion measures is now around 11K, though the event is still called the 10K. The race is largely off road and follo..

Take on the MTC Thames Challenge, a four day 184 mile endurance race along the Thames from the Cotswolds to the Thames Barrier. Enjoy stage racing, riverside views and a supported multi day challenge for experienced endurance runners.

Event The MTC Cotswold Ultra takes place on 6 August 2026. It is a point-to-point ultra running event of 57 miles from Kemble Station (GL7 6AW) to Travelodge Oxford Abingdon Road (OX1 4XG). Total ascent is 370 metres and total descent is 47..

Ramsbury Gold 10km is a multi-terrain running event held near Ramsbury in Wiltshire. The race starts and finishes at Ramsbury Brewery, Stockclose Farm, Aldbourne, within the Ramsbury Estate countryside. Participants can choose the standard..

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 Colourburs..

Beast of Llangattock : event details The Beast of Llangattock is a trail running event on Saturday 22 August 2026 at Park Farm, Llangattock, Crickhowell, Powys. The event offers four distances, all on marked courses with GPX files available..

Tackle the Summer Green Man Ultra around Bristol on a scenic self guided 45 mile loop or a 30 mile partial, both finish at Ashton Park School. Support checkpoints, chip timing and a bespoke finisher medal reward strong navigation and endura..

Black Cattle Ultra Gwartheg Duon is a South Wales ultra organized by Ridge Runners, offering two distances: 44 miles and 33 miles. Runners start from Llanthony Priory in the Black Mountains or from Abergavenny, following the Cambrian Way to..

Plum 10K The Plum 10K is a recurring race organised by Pershore Plum Plodders. The club publishes race results for multiple years, including 2015, 2016, 2017, 2018, 2019, 2021, 2022, 2023, 2024 and 2025. The next planned event is listed for..

September 2026

The RIDUM is a 30-mile ultra marathon held in South East Wales, following the Rhymney Valley Ridgeway Walk. This challenging trail run features 4,252 feet of elevation, taking participants across ridge tops around the Caerphilly basin with..

Event The Joust Races 2026 is a 24-hour multi-lap running event held on Saturday 5 September 2026. The format uses a looped course with each lap approximately 5.56 miles. The course is described as well marked and marshalled, easily navigab..

Event overview The Dartmoor Volcano Race takes place on 12 September 2026 in Scorriton, TQ11 0JB, on the edge of Dartmoor. The 2026 event is the 10th edition. Entries open 19 September 2025 and close 9 September 2026. Minimum age on race da..

The Cotswold Half Way will take place in Chipping Campden on Saturday 19 September 2026.

UTMB Index

Test your grit in the Black Mountains at Trails & Tarmac Backyard Ultra in Crickhowell on 19 Sep 2026, running hourly 4.2 mile loops over trail and tarmac. Last runner to complete a loop wins, with medics, toilets and showers on site.

BigSky Trails concludes the Classic Element Trail Series, sending runners from Hyde Common across open plains and winding New Forest trails with wide horizon views. Choose 18 mile or marathon and take a bespoke medal or opt for a tree.