Trail Running calendar near Builth Wells 2026-2027

Experience the unique challenge of racing on the firm sands of Pendine Beach. Choose from five distances ranging from 5k to an ultra marathon on a course famous for land speed records.

A set of spring races around Chasewater Reservoir on 5 April 2026, with 20k, 15k, 10k, 5k and a junior race on multi terrain routes. Route maps and GPX files are available and the event includes medals, free photos and prizes.

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.

Three coastal trail races of 32.5, 18.5 and 10 miles follow the Wales Coast Path along the Vale of Glamorgan, with waymarked routes, staffed checkpoints, and coach transport for the linear course finishing at Ogmore-by-Sea.

A trail event at Oxwich Bay offering a self-navigation half marathon plus marked 10 km and 5 km routes across coastal paths, woodland and sand dunes, with chip timing, a finisher medal and on-course water stations.

A single-distance 50 km ultramarathon in Pwllheli on 11 April 2026, with a published entry fee of £74 plus booking fee. The event enforces a no crew, no pacers policy and requires mandatory kit and medical disclosure.

Three off-road routes around Llangollen on 12 April 2026, including a new short course and climbs over Dinas Bran Castle. Proceeds support local mountain rescue and Llangollen Foodbank.

Experience the Ogwen valley through this skyrunning event in Eryri. Choose between 10km, 25km, and 40km routes featuring technical mountain terrain and alpine peaks starting from the National Outdoor Centre.

A 15 miles fell race on the Mendips with over 2,000 feet of climbing and a fully marked Category B course. The route starts on Warrens Hill and finishes at Fairlands School where tea and cake are provided.

Tackle the Kymin Dash, a 7 mile road and trail race from Monmouth that climbs to the Round House for panoramic views before descending through fields and bluebell filled woodland. Enjoy a lively finish at Monmouth School Sports Club with Ki..

Wild Horse South Wales 200 is a 200-mile trail ultramarathon through South Wales. The route links historic paths like Offa's Dyke and the Beacons Way, finishing at Worm's Head on the coast. This point-to-point adventure offers a multi-day c..

A short fell race on 15 April 2026 at Forest Glen, Wellington covering 4.5 km with 247 m of climb. Pre-entry and on the day entry are available, junior races run before the senior event and the race holds FRA insurance.

The MTC Gelert is a 47-mile ultramarathon along Wales's scenic National Cycle Route 8, from Barmouth to Llanidloes. It is also the third day of the CYMRUN multi-day challenge. The event has a strict 4 mph pace requirement and provides a bes..

A six hour lap event at Kingsbury Water Park on a flat 3.3 mile route around ponds and a river. Participants choose how many laps to run within the time limit; onsite parking, cafe and toilets are available.

Experience a scenic 40 mile ultra marathon along National Cycle Route 8 from Glasbury to Merthyr Tydfil. This quadrennial event offers a well supported route through the Heart of Wales with unique finishers medals.

Experience the landscape of the Shropshire Hills through a series of trail runs and walks ranging from 10 km to 80 km. Enjoy local food and historical landmarks while supporting educational charity programs.

Experience a guided 18 mile adventure across the Malvern Hills ridge and surrounding woodlands. This social group run features over 1300m of elevation and stunning panoramic views at a non competitive pace.

A marked trail event in the Brecon Beacons offering 10, 20 and 40 mile routes with marshals, well stocked checkpoints and enforced mandatory kit. Canicross is allowed under specific rules and medical support is provided on site.

A multi-distance mountain event in Abergavenny on 18 and 19 April 2026, featuring 50 mile, 30 mile and 20 mile courses through the Black Mountains and the Blaenavon World Heritage landscape. Routes include upland climbs and sections of hist..

On 18 April 2026 Nightingale House Hospice stages 5 km and 10 km multi terrain runs at Alyn Waters Country Park with chip timing, marshals, water stations and finishers medals. A 1 km children's dash accepts on day entries.