Trail Running calendar near Builth Wells 2025-2026

We have found 201 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

The HOWUM 2026 is a 30-mile ultra marathon set in the heart of Wales, starting and finishing in the picturesque town of Llanidloes. The challenging trail combines four iconic routes: the Sarn, Glyndwr’s Way, Severn Way, and Wye Valley Walk, leading runners through stunning Welsh landscapes including..

Tempo Trail Races 2026 is a weekend trail running event held in the scenic Cotswolds, based at Ilmington Sports & Social Club near Shipston On Stour. The event offers a variety of race distances to suit different levels, including a 100K Ultra, a new 50K Ultra, a Marathon, a Half Marathon, and a 10K..

The Sheinton Steeplchase is a 5.3 km cross-country race held near Sheinton Church by Cressage in the West Midlands. Featuring a total ascent of 100 meters, it offers a challenging yet accessible course that is not a traditional fell race but still highly regarded for its competitive and enjoyable na..

The Westcountry Ultra Flat 50 is a 50-mile point-to-point ultramarathon in Somerset, England, ideal for first-time 50-mile runners or those seeking a fast race. The course features a pancake-flat first half along the Taunton to Bridgwater Canal Path and the River Parrett Trail, with opportunities to..

The Tenacious Ten Endurance Challenge is a demanding 10-hour loop race held at Mynydd Troed in the Black Mountains of Wales. Participants tackle a strenuous and technical 3.2-mile (5.1 km) loop featuring a harsh climb to the summit with stunning 360-degree views of the Black Mountains, Brecon Beacon..

The Westcountry Ultra Hilly 50 is a challenging 50-mile ultramarathon held in Somerset, England, starting and finishing at West Somerset College in Minehead. Featuring 7,337 feet of elevation, the course offers stunning scenery including ancient woodlands, rugged coastline, moorland, and picturesque..

The Westcountry Ultra 100 Miler is a challenging ultramarathon held in Somerset, UK, combining the Flat 50 and Hilly 50 routes into a 100-mile race with 9,538 feet of elevation. The course features diverse landscapes including canal paths, coastal trails, limestone formations, and Somerset’s highest..

Endurancelife Exmoor is a challenging trail running event set in the rugged and scenic western area of Exmoor National Park, England. It offers four distances: 10K (6.3 miles), half marathon (13.3 miles), marathon (26.5 miles), and ultra marathon (31.8 miles), each featuring significant ascents rang..

UTMB Index

The Epona 100 is a challenging 100-mile ultramarathon held in Abergavenny, featuring a demanding 17,000 feet of elevation gain. The course offers a stunning mix of iconic trails, including Offa’s Dyke, Cambrian Way, and Beacons Way, providing runners with breathtaking mountain passes and diverse ter..

The OTT Marathon & 10 Mile Race, held at Parkwood Dolygaer in Merthyr Tydfil, is a challenging mountain marathon set in the scenic Brecon Beacons. The marathon covers approximately 26.2 miles on a looped course featuring significant climbs, including Pen Y Fan, Fan Y Big, and Tor y Foel, with three..

June 2026

The Two Tunnels Races, held in Bath, UK, offer a unique running experience featuring the longest underground sections in the UK. The course passes through the historic Devonshire Tunnel (408m) and Combe Down Tunnel (1672m), both well-lit and surfaced, providing a flat and scenic route beneath the ci..

The Cotswold Way Ultra Challenge is a premier endurance event held in the scenic Cotswolds, starting and finishing at Cirencester basecamp. Participants can choose from multiple distances including 100km, 75km, 50km, 25km, and a 10km option, suitable for walkers, joggers, and runners of all experien..

The Gnosall 10K is a scenic multi-terrain race held in the village of Gnosall, Staffordshire, starting and finishing at the Gnosall Family Sports Club. Covering approximately 11.2 km, the course features picturesque routes along the Shropshire Union Canal, disused railway lines, farmland, woodland,..

Offa's Dyke 15 is a renowned off-road running event held in Hay-on-Wye, Hereford. The race covers a challenging 15-mile course along the historic Offa's Dyke path, offering runners a scenic yet demanding trail experience. Originally popular from 1977 to 2001, the event was revived in 2015 with the h..

The Cheddar Gorge Challenge is a demanding off-road running event held at Warren Farm, Charterhouse, Somerset, within the stunning Mendip Hills Area of Outstanding Natural Beauty. Offering distances from 1km fun runs to a full marathon, the course features diverse terrain including open fields, flat..

Ultra Wales 50 is a challenging 51-mile mountain and trail race held in Coed-y-Brenin, Southern Snowdonia, Wales. Featuring 2,898 meters of ascent, the course includes iconic landmarks such as Cadair Idris Penygader (893m), Rhinog Fach (712m), Dolgellau, the Barmouth estuary, and the expansive Coed-..

The Welsh 3000's Ultra Run is a guided mountain running event held in Snowdonia, North Wales, covering the classic 15 peaks over 3,000 feet. The route spans approximately 30 miles (50 km) with 4,000 meters of elevation gain, traversing the Carneddau, Glyderau, and Snowdon ranges, including the chall..

July 2026

The PIGUM 2026 is a thrilling 30-mile ultra marathon set in Abergavenny, known as the Gateway to Wales. This challenging trail run features 5,000 feet of elevation, taking participants over mountain peaks and scenic trails, including the iconic Sugar Loaf mountain, which offers stunning panoramic vi..

The Turd is a fun running event held in the scenic valley of Ironbridge, Shropshire, hosted by How Hard Can It Be Events. Participants can choose from three distances: 8 miles, 16 miles, or a full marathon. The marathon involves completing three laps of the course, while the half marathon covers two..

The Birmingham Black Country Half Marathon is a scenic point-to-point race held between Wolverhampton City Centre and Brindley Place in Birmingham, following canal towpaths. The largely flat course features varied terrain including gravel tracks, trails, and pavement, with notable highlights such as..