Trail Running calendar near Builth Wells 2026-2027

A three-person relay at Chirk Castle on 7 May 2026 where each runner covers an approximately 2 mile lap. Categories include male, female, mixed and juniors aged 14 to 17, with category prizes and online results.

A 10 hour loop race on Mynydd Troed with steep climbs, technical descents and marked clip stations. Open to solo runners, pairs and teams of four, with mandatory kit and a strict 10 hour cutoff.

A point to point 50 miles from Taunton to Minehead with a very flat first half and an undulating coastal second half, six aid stations and a 14 hour cut off.

A 50 mile trail ultramarathon on coastal and upland terrain around Minehead with about 7,337 ft of ascent, six aid stations and a 16 hour cutoff. It is a cupless race with GPX navigation provided.

A 100 mile point to point race across Somerset on 9 to 10 May 2026 combining the Flat 50 and Hilly 50 routes, with a 32 hour cut off, 13 aid stations and cupless aid so runners must carry bottles.

Trail races at Martinhoe on 9 May 2026 offering 10K, half, marathon and ultra routes across moorland, woods, cliffs and coast. Part of the Endurancelife season with points contributing to the Season Leaderboard.

A Welsh trail event offering a 100-mile loop from Abergavenny and a 100 km route from Talgarth to Abergavenny, both following Offa’s Dyke, Cambrian Way and Beacons Way across mountain terrain.

A 115 km multi-discipline race from Abersoch beach to Snowdon and back, featuring a 1.5 km sea swim, two 49.5 km bike legs and a 12 km mountain run. The 2026 edition reached its 400 place capacity.

A set of off-road fell races in the Preseli hills featuring a 10.8-mile Bach and an approx 24-mile Beast with substantial ascent, marked and partly supported courses, category prizes, and WFRA safety and kit requirements.

Apocalypse Ultra in Church Stretton on May 9 2026 offers four distinct loops that can be combined into distances from 10 to 50 miles. The event features a 16 hour limit, HQ food, electronic timing and limited places.

A 5k obstacle course at Weston Park on 09 May 2026 where participants climb, crawl and slide over paths, tracks and grass. The event supports fundraising, includes on-course marshals, and provides refreshments, toilets and parking.

A 12.8 km fell race near Llanberis with 915 m of climb, a ridge route over Moel Eilio, Foel Gron, Foel Goch and Moel Cynghorion, and navigational challenges in poor visibility. Registration is at The Heights Hotel.

A recce of the Paddy Buckley leg from Nantmoor to Beddgelert Forest over the Hebogs, covering 15 km with 1,580 m ascent in Snowdonia. Small guided groups led by Mountain Leader qualified runners, age 18 plus, entry fee £65.

A 10 km trail run at Symonds Yat in the Forest of Dean with undulating terrain and views of the River Wye. The final 1 km includes a large climb to the finish. Coffee and hot food are available at the start and finish.

A multi-distance trail event in the Cotswolds on 10th May 2026, featuring quarter, half, marathon and Ultra 40 routes across trails, towpaths and commons with marked routes, checkpoints and on-course water.

Trail running at Margam Country Park on 10 May 2026 offering 5 km, 10 km and half marathon routes. The event is canicross friendly, uses live chip timing and includes a finisher medal and refreshments.

A roughly 5 mile single lap trail through Stowell Park and the Coln Valley near Chedworth Roman Villa. The multi terrain course includes footpaths, fields and a river crossing and has a 2 hour 30 minute finishing limit.

Experience an off road running event in the Clwydian Range featuring marathon, half marathon, and 10k distances. Take on hilly trails with sustainable local support and options for canicross runners.

An off-road 10K along the Llangollen Canal on 10 May 2026, based at Llangollen Leisure Centre. The event also includes a kids 1 mile; entries include a Bespoke finisher medal and have specific age, refund and image use rules.

A family fun run and a five mile all terrain race across National Trust parkland, marshalled with chipped timing and medals; proceeds fund school equipment, trips and PE provision.