Trail Running calendar near Bannau Brycheiniog National Park (Brecon Beacons) 2025-2026

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..

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..

Dawn Two Dusk: Day Light Robery is a 12-hour night-to-day trail running event in Bridgend, South Wales, organized by Mad Running Junkies. Based at Bridgend Miniature Railway (Fountain Road, Aberkenfig, Tondu, CF32 9BZ), it features three roughly 10-mile routes that participants aim to complete as ma..

Nightmare Before Xmas Trail ½ Marathon is a trail running event at the Bridgend Miniature Railway Centre in Aberkenfig, near Tondu, Bridgend (CF32 9BZ). The course blends an 8-mile “Hateful Eight” segment with roughly five more miles of mud, water and a hill-heavy forest section for a half-marathon..

The Birmingham Black Country Half Marathon is a running event held in the Black Country region near Birmingham. Organized by StuWeb Events Ltd., the race covers the half marathon distance of 13.1 miles. While specific details about the course and atmosphere are not provided, the event typically attr..