Trail Running calendar near Builth Wells 2026-2027

We have found 366 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

MacTuffX Brierley Hill on 4 October 2026 is a functional fitness race in Brierley Hill West Midlands featuring ten Xercises plus running across individual team and relay categories with a LITE weight option for lower loads.

A chip timed 10 km trail race through Somerset countryside passing the Stony Littleton Long Barrow, with full medical cover, Race Nation app integration, secure baggage drop, showers, free parking and a bespoke finisher medal.

A rucking and trail running event in Bristol on 04th October 2026 offering 6k and 10k routes, Pro and Open categories for ruck and trail, GORUCK Rucker 4.0 provided for ruck entrants, and on-course amenities including water stations and eve..

A family friendly inflatable obstacle event in Cheltenham on Saturday 10 October 2026, offering lap-based distances of 2.5k, 5k, 10k and 15k with music zones, on-course water and finishers medals.

A 32 mile trail through the Cambrian Mountains from Camp Plas near Dolanog, capped at 100 runners and fully marked with checkpoints and a 14 hour cut off. The weekend includes on-site camping, catering, live music and lakeside activities.

A circular 55 km trail ultra in the Forest of Dean using a GPX navigation route. The course mixes technical single track, riverside sections and viewpoints, includes on-course aid stations and a canicross category.

An LDWA members only long-distance event of about 50 miles from Crowcombe Village Hall in two loops through the Brendon Hills and the Quantocks, with mandatory kit, a live tracker requirement and significant ascent.

Trail races in Cannock Chase Forest on 11 October 2026 offering Half Marathon, 10K, 5K and a Junior Race with chip timing, a themed medal, free photos and a serviced event village.

Experience a multi terrain race over Pen Dinas and Constitution Hill starting from the Aberystwyth Promenade. With distances for both seniors and juniors, runners face climbs on gravel, grass, and rocky paths with coastal views.

Trail race in an Area of Outstanding Natural Beauty around Biblins Youth Campsite, Ross-on-Wye covering approximately 6 miles or 10k on mixed trails and single track. Entry is limited to 200 runners and prizes include individual and team aw..

A ridge fell race on the Cat's Back in the Black Mountains covering about 11.7 km with 492 m of ascent. The route includes steep climbs, technical rocky sections, a trig at the summit, and a ridgeline descent back to the event field.

A community off road running event in Marshfield on Sunday 11 October 2026 with children's and adult distances. Entries support Marshfield Primary School and the routes use temporary access across private land.

Black To The Trails brings 1 km, 5 km and 10 km trail runs to Blaise Castle in Bristol, an event described as the United Kingdom's most ethnically diverse trail running event. Under 16s enter free.

Trail races at Loggerheads Copuntry Park with a 6km loop, a 12km two-lap option and a 6km Canicross. Courses are marked and marshalled and entry fees range from £19 to £22.

A 7 hour Time Challenge at Dare Valley Country Park offering flexible distances from 3km up to 50km. The event includes themed medals, finishers' goody bags with a vegan option, aid stations, free parking and basic venue facilities.

An untimed 5k and 10k adventure run at Lyons Lane Motocross LTD in Shrewsbury on October 17, 2026. The course uses a MotoX track and includes brook crossings, hill climbs, a mud crawl and a water slide finish.

Cadair X is a 13.1 mile mountain half marathon with 1165 m of ascent that climbs to the 893 m summit of Cadair Idris. The marked route crosses woodland, glacial lakes and technical summit terrain and a GPX file is available.

A *50 km* trail on the marked Brenig Way from Corwen to Llyn Brenig dam, with 1450 m ascent, varied upland and forest terrain, three checkpoints, required kit and GPS trackers provided.

Join the Aberfan Memorial Run in Merthyr Tydfil to honour the 1966 victims and support the Aberfan Memorial Charity. Choose 5 km to ultra on a scenic tarmac loop along the Taff Trail with flexible start times and official timing.

An off-road race by Town and Country Harriers on 18 October 2026 in Keynsham, about 12.5 miles long, starting near The New Inn with parking at East Car Park; the course revives the Compton Dando route and crosses a stream.

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