Trail Running calendar near Hay-on-Wye 2025-2026

We have found 222 Trailruns within 80 miles of Hay-on-Wye. See below where and when you can find the races.

Limitless Trails presents the Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon in the Brecon Beacons National Park. Based at Longtown Hall near Crickhowell, the event offers four distances: 50-mile Ultra, 32-mile Ultra, Marathon, and Half. Runners navigate themselves on rugged mountain t..

The MTC Severn Way Ultra is a 57-mile point-to-point ultra along the Severn from Travelodge Worcester to Travelodge Stonehouse in Gloucestershire, passing Grimley, Worcester, Upton-on-Severn, Tewkesbury, Gloucester, Epney, Priding and Frampton-on-Severn. The route is described as comparatively flat,..

The Welsh 3000 Challenge (14 Peaks) is a demanding mountain running and walking event held in Snowdonia, Wales, starting from Capel Curig. Participants aim to summit all 14 peaks over 3000ft in a continuous journey covering about 50km with nearly 4000m of ascent. Highlights include climbing Snowdon,..

Dusk Till Dawn in Bridgend, South Wales, is a challenging 12-hour running event organized by Mad Running Junkies. Participants run three different 10-mile mixed terrain loops, including hills, forestry trails, and technical sections, aiming to complete as many laps as possible from dusk until dawn...

Rabbit Run Wales is a series of scenic trail races held on the private grounds of the Merthyr Mawr Estate, located on the South Wales coast. The event features a 12K race that includes diverse terrain such as hills, valleys, a river crossing, and a descent down the Big Dipper, the highest sand dune..

The Gower Peninsula Ultra Challenge is a multi-distance endurance event held in South Wales, set in the scenic Gower Peninsula, the UK's first Area of Outstanding Natural Beauty. Participants can walk, jog, or run distances ranging from 10km to 100km, including options like 25km, marathon, 50km, 75k..

Paddy Buckley Round is the Welsh Classical Round, professionally guided and fully supported over three days in Northern Snowdonia. The route visits 47 summits across just over 100km with about 9,000m of ascent and descent. Run in small groups up to 40km per day, it is led by an experienced mountaine..

The Ultra X Wales will take place in Fairbourne from Saturday 25 July 2026 to Sunday 26 July 2026.

UTMB Index

The Beacons Way Ultra 100km is a challenging ultramarathon held in the Brecon Beacons National Park, Wales. Covering 62 miles with 3,451 meters of elevation, the race follows the official Beacons Way trail, starting near Talybont and traversing spectacular mountain scenery including Pen-y-Fan and th..

Beacons Way Ultra 100 Mile is GB Ultras’ challenging ultramarathon across the Brecon Beacons National Park, known as the Race Across Bannau Brycheiniog. The 100-mile course ascends about 6,143 meters and follows the Beacons Way National Trail from the ruins of Abergavenny Castle to finish at Llangad..

The Pen Y Fan Challenge is a trail running event held in South Wales, featuring two race distances: 5 miles and 13 miles. Both courses include the ascent of Pen Y Fan, the highest peak in South Wales, offering runners scenic and challenging terrain. The event takes place near postal code LD3 8NL and..

August 2026

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 miles (half marathon), 19 miles (3/4 marathon), 28 miles, or 37..

The EDDUM 2026 is a 50-mile trail challenge around the Epynt Way, looping the Sennybridge Training Area in mid-Wales. Runners traverse a largely untouched permissive path bordered by the Brecon Beacons to the south and the Cambrian Mountains to the north. The route offers a scenic, green landscape w..

The MTC Thames Challenge is a four-day ultra endurance event from August 6–9, 2026, starting at Kemble Station in the Cotswolds (GL7 6AW). The 184-mile course unfolds across four stages, featuring four unique Ultra events: The Cotswold Ultra, The Oxford Ultra, The Windsor Ultra, and The Richmond Ult..

The MTC Cotswold Ultra is the opening day of The Thames Challenge, based at Kemble Station (GL7 6AW). This UKA-sanctioned running event is a self-sufficient ultramarathon with solo entry (£90). The route follows the Thames Path from Kemble to the river’s source, then returns via Wysis Way and along..

Two Tunnels Races takes place in Bath, UK, with start and finish at Brickfields Park. The event offers a wide range of distances—from 500m Colourburst up to 50km, plus marathon, half marathon, 10km, 5km, 2km, and 5km Colourburst heats—creating a family-friendly lineup. A standout feature is the cour..

The Summer GMU 2026 is an ultra running event featuring a challenging 45-mile loop around the City of Bristol. Held at Aston Park School, the race offers participants a unique opportunity to experience the scenic urban and natural landscapes of Bristol. The event includes options for a full 45-mile..

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 stunning views of the surrounding landscape. The route inclu..

October 2026

Cannock Chase Running Festival, hosted by RunThrough UK, takes place at Cannock Chase Forest, Birches Valley, near Rugeley in the UK. The event offers Half Marathon, 10K, 5K, and a Junior Race, run on forest paths, woodland tracks and gravel roads through Cannock Chase. The atmosphere is friendly an..

November 2026

Dusk Till Dawn The Winter Edition, also known as Dawn Two Dusk: Day Light Robery, is a challenging 12-hour running event held at Bridgend Miniature Railway in South Wales. Participants tackle three distinct 10-mile mixed terrain routes, including hills, technical downhill forestry trails, and occasi..