Trail Running calendar near Builth Wells 2026-2027

We have found 400 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

A point to point 57 mile ultra along the Severn Way from Worcester to Stonehouse, passing Upton-on-Severn, Tewkesbury and Gloucester. Four checkpoints offer vegan and gluten free options, finishers receive a bespoke medal and a head visor.

On 11 July 2026 an event in the Black Mountains offers distances from half marathon to 50 mile. Routes are self navigated with GPX files and supported by checkpoints, tracking, food provisions and medical cover.

Trail races in Llanberis on 11 to 12 July 2026 include 10K, half, marathon and a 57 km ultra that pass Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass and Yr Wyddfa. The event offers an event village, on course support and chip timing.

A 24 hour trail challenge from Llanberis around Yr Wyddfa where solo runners or relay teams aim for as many ascents and descents as possible. The event is UTMB indexed, has event village facilities, on course support and charity fundraising..

A circular outdoor challenge from Hallow with five waymarked routes through 12 local parishes, distances from 10 to 40 miles. Entry includes checkpoint refreshments and a hot meal at the finish.

Trail event at Carding Mill Valley offering 10K, half marathon and marathon routes across the Shropshire Hills and Long Mynd, with marked trails, aid stations and a medal included.

A timed, multi lap run at Parc Taf Bargoed using a 5.3 km out and back lap. Distances range from 5 km to ultra with a seven hour limit and a medal or no medal entry option.

A teams event at The Packhorse in South Stoke on 11 July 2026 where three person teams in compulsory fancy dress collect and carry a full cider barrel from Upper Midford back to the pub. Prizes include fastest time, best fancy dress and tea..

A charity Pretty Muddy 5k at Cofton Park on 11 July 2026 with a grass, partly hilly obstacle course. Participants must be 13 or older and receive a fundraising pack, back sign and a finisher medal.

A 5.8 km fell race to the summit of Pen y Fan near Brecon with 588 m of ascent, part of the South Wales Series and the 2026 UKA Fell Running Championship; entries are limited and minimum age is over 16.

Ludlow10 on Sunday 12 July 2026 offers 5k, 10k and half marathon routes through town roads, local woods and trails. Post race hospitality continues into the day.

A fund raising multi lap running event on 12 July 2026 at Old Elizabethans Cricket Club, Worcester, supporting stroke services. Multiple race formats including a solo marathon, relays and a kids Wild Mile.

A fell race at Plas Dolben near Llangynhafal covering about 8 km with 457 m of climb on a partially marked course. There is a 50 minute cut-off at the top gate, entry on the day is £5 and minimum age is over 16.

A *10 km* trail race around Stoke Park in Stapleton, Bristol on 16 July 2026, organised by Town and Country Harriers. Half of entry proceeds go to a local charity and prize categories include Open, Female and age groups.

A multi-distance trek and trail event on the Gower Peninsula based at Penrice Castle, offering camping, GPS-tracked routes, covered rest stops, catering, medical support, and finisher rewards across several distances.

Trail races on the private Merthyr Mawr Estate within Merthyr Mawr Warren National Nature Reserve, featuring a 12K course and a new 40K route that extends along the Glamorgan Heritage Coast.

A guided traverse of all 14 Snowdonia peaks over 3000 ft from Pen y Pass, offered as a 20 hour single-day challenge or spread over two days, with guided run and walk options, food stops, and low ratio qualified leaders.

Three point to point ultramarathons along the Wales Coast Path offering 100 mile, 50 mile and 30 mile options with marked routes, checkpoints and live GPS tracking, finishing at the Norwegian Church in Cardiff Bay.

Forest Warrior at Huntley Estate includes an obstacle mud run with climbs, crawls, hills and muddy swamps, plus a mostly obstacle free mud run. A separate kids 1 km race includes a medal and drink.

An endurance event at Huntley Estate on July 18, 2026 that pairs eight physical strength tests with 1 kilometre off-road runs after each test, with official times, medals, age group categories, parking and space for spectators.

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