Trail Running calendar near Builth Wells 2026-2027

We have found 285 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

Endurancelife Exmoor in Martinhoe on 9 May 2026 offers 10K to ultra trail distances across moorland, woods and coastal terrain. Entries include electronic timing, a fully marked course and a finisher medal.

UTMB Index

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.

Three off-road fell races around the Preseli hills centred on Maenclochog village green, including a roughly 24 mile Preseli Beast with substantial ascent, mixed terrain and feed stations about every five miles.

A multi-loop trail ultramarathon in Church Stretton on May 9 2026 offering choices from 10 to 50 miles across four distinct loops with over 10,000 ft of climbing if all are completed. Central HQ provides long buffet and timed support.

A guided recce of the Hebogs leg of the Paddy Buckley Round, about 15 km with 1,580 m of ascent between Nantmoor and Beddgelert Forest. Small groups are led by Mountain Leader qualified guides with route knowledge for Paddy Buckley attempts..

Tackle the scenic 10 km Scorpion Run at Symonds Yat Rock in the Forest of Dean with winding trails and a final climb to the finish. Enjoy undulating gravel tracks, riverside views and a cafe at the start and finish for post run treats.

A series of marked trail races around Stroud and the Cotswolds using towpaths, commons and old railway lines, with checkpoints, water stations, marshals and map/GPX support.

Take on the Caradoc Classic, a scenic 3.5 miles fell race from Church Stretton climbing about 268 m. Part of the local Summer Series, this friendly community event includes junior races and on the day entries.

Ultra-Trail Snowdonia by UTMB is a UTMB World Series trail running event in Llanberis, North Wales, held 15–17 May 2026, offering races from 25 km to 164 km with substantial elevation gain.

UTMB Index

A mountain trail marathon and a ten mile race around Pen Y Fan and Talybont Reservoir, both starting and finishing at Parkwood Dolygaer. The marathon has three checkpoints and a six hour cutoff at 20.5 miles.

Run the undulating off road trails of Cannock Chase AONB at the Merrell Cannock Chase Challenge on 16 May 2026. Choose 10K, half, full or a pairs relay on a spectator friendly figure of eight course with water stations and camping.

Starts at The Unicorn Inn in Telford, the route follows Ironbridge Gorge and the Silkin Way. Options include eight miles, sixteen miles or a full marathon and food and ales will be available afterwards.

Join the Semington Slog on 16 May 2026 for a scenic 10K or family 2K around the village, canal towpath and leafy lanes. A friendly community fundraiser at St Georges School with marshalled routes, children’s activities and tasty food, plus..

Run the Shropshire Historic 50K from Telford Town Park to The Quarry Park in Shrewsbury on 16 May 2026, via Ironbridge, Buildwas Abbey and Wroxeter Roman City. Officially measured with chip timing, nutrition stations and free photos.

Trail running from Sudeley Castle in the northern Cotswolds with routes from 7 km to 51 km, marked trails, outposts and mandatory kit for longer courses. The event uses reusable cup policy and provides parking, bag drop and timed results.

Tackle the 10 mile Sirhowy Challenge on 17 May, a scenic multi terrain loop climbing 1500 ft to Machen Trig Point through the rolling Sirhowy valley. Undulating terrain suits adventurous runners and all finishers receive a drinks token.

Tackle the Batch Bash in All Stretton on Wed 27 May 2026, a steep 4.8 km fell run with 305 m of climb to test your hill legs. Friendly entry options and a capped field keep this a welcoming, lively race day.

A 26.2 Miles trail marathon near Bridgend that crosses quarry, forestry and historic Bedford ironworks. The course is marked with GPX available, has five feed stations and is limited to 60 entrants.

Run 145 miles non stop along the Grand Union Canal from Birmingham to Little Venice on a fully waymarked towpath. Limited to 100 starters with supported or unsupported entries and a 45 hour cutoff, it is a classic long distance challenge.

Tackle the Telford T50, a 50 mile trail around scenic Shropshire with views of Ironbridge and the Wrekin on 23 May 2026. Organised by How Hard Can It Be Events, the pre marked course mixes trails and roads with aid stations and cake.