Trail Running calendar near Builth Wells 2026-2027

We have found 406 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

A 6.5 km hill run from Trefonen Village Hall with 150 m of ascent, mixed farmland, woods and country lanes. The partly waymarked course includes varied underfoot conditions and a trig point on Mynydd Myfyr; entry is available on the day.

Trail half marathon and 10K at Taunton Rugby Club on 24 May 2026, held on largely flat waymarked trails by local waterways. Chip timed event with feed stations, medical cover, event photography and wooden finisher medals.

A chip timed *10k* trail run on 24 May 2026 that starts and finishes at Bredon Cricket Club. The marshalled route climbs to the 299 m summit of Bredon Hill and all finishers receive a medal.

Crocodile 8 on 24 May 2026 is a hilly trail and tarmac race around Tillington and Burghill with music en route and an after-event party at Burghill Community Academy. Senior and junior distances are available.

A long-standing 16 mile mixed surface hill race in Lampeter that follows the Teifi valley and crosses the Sarn Helen roman road. It offers individual entries and three person relays and includes a prize for beating the course record.

An off-road race in Dursley on 25 May 2026 covering about 10.31 km with 318 m of climb, visiting Cam Peak, Cam Long Down, Uley Bury and Downham Hill. Entries are limited to 120 and handled via Entry Central.

Mynydd Mawr is a midweek race near Caernarfon covering 6.7 km with 450 m of ascent, part of the North Wales Mid Week Series. Navigational skills are required; preregistration is requested and a day-entry fee of £2 applies.

A 5 km fell race near Pengenffordd in South Wales with about 320 m of climb and a route that requires navigational skills. Junior races are available from age 7 and the event is insured by the WFRA.

Inflatable 5K in Bristol on Saturday 30 May 2026 offers 2.5 km laps with options of 2.5 km, 5 km, 10 km or 15 km across large inflatable obstacles and five music zones. The event is untimed and includes a finisher's medal and water stations..

A themed 7 hour Time Challenge at Dare Valley Country Park celebrating 50 years of Rocky, with distances from 3 km up to ultra, themed medals, goody bags and aid stations on well maintained park paths.

Phoenix Running South Wales stages the Manta Ray Run at Parc Taf Bargoed, Trelewis. Participants run repeated 5.3 km laps within a seven hour time limit and receive a bespoke finisher medal unless they choose a no medal option.

A reworked May 2026 50 mile trail around Telford passing Ironbridge and the Wrekin, with four checkpoints, recommended trail shoes and a 9PM cut off. Participants report good waymarking and well stocked aid stations.

A 6.4 km fell race at Calon y Cwm camping, Cilycwm, with 244 m ascent on a partially marked route through fields, wet forest, tracks and rocky ground. Entry on the day £7; minimum age over 16.

A mountain fell race of 13 km and 1550 m ascent finishing at Yr Wyddfa Summit, requiring navigational skills and prior mountain experience. Registration is in Llanberis with compulsory coach transfer to the Ogwen start.

A long fell race of 32 km with 2870 m ascent finishing at Yr Wyddfa Summit that requires navigational skill and significant mountain experience; pre-entry includes coach travel, GPS tracking and a souvenir mug.

A roughly 7 mile coastal race from Blue Anchor to Minehead and back along the coast path beside the West Somerset Steam Railway, run on sand, grass and tarmac with water stations, first aid, a finisher medal and a free T-shirt for early onl..

An approx 9 km multi terrain loop around Llys y Fran Reservoir organised by TROTs, featuring marshals, a water stop, a tail runner and a bespoke medal. Minimum age 15 and refunds are allowed up to seven days before the event.

June 2026

Approximate 6k through Blaise Castle Estate on tarmac, grass and trails with hills and estate views. Club house refreshments follow and prizes are awarded for individual places, age categories and teams.

A midweek fell race at Tyddyn Llwyn Camp Site near Porthmadog, covering 5.9 km with 349 m climb. The AS-classified course is partly waymarked, part of the North Wales Mid Week Series, and includes junior categories.

Join this two lap 10km trail race at Kinver Edge featuring local tracks with plenty of elevation changes. This event supports canicross runners and offers a no frills racing experience in a scenic outdoor setting.

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