Trail Running calendar near Brecon 2025-2026

We have found 204 Trailruns within 80 miles of Brecon. See below where and when you can find the races.

Bask in estate scenery at the Brynkinalt Running Festival on 14 and 15 March 2026, with canicross on Saturday and trail 5k and 10k on Sunday. Expect grassy paths, climbs and great views plus photos and participant goodies.

Beast of the Blacks offers fully marked 11, 20 and 40 mile trail routes through the wild Black Mountains of Wales with ridges, river crossings and red kites overhead. Stocked checkpoints and on site support keep runners safe and focused.

Run through ancient trees and rolling contours at the DirtRun Wyre Wizard Trail in Wyre Forest. Choose a 13 mile half marathon or 7.6 mile Super Seven for scenic trails, medals and on course support.

Join the Dashing Dog Charity Run at Dare Valley Country Park for a 7 hour time challenge where you choose how many laps to run. Support local dog rehoming charities and enjoy scenic trails, medals and on course aid.

Run the Forest of Dean Spring Half Marathon on Sunday 22 March 2026, a scenic half marathon starting and finishing at the Speech House Hotel along waymarked forest trails with gentle climbs. Organised for charity and supported by the Forest..

Join the Red Warrior Challenge at Margam Country Park on 22 March 2026 for mixed terrain races offering 5K, 10K and 20K options. Solo runners and canicross teams welcome at this sixth annual celebration of trail fun and challenge.

Beyond Bristol offers scenic 25 km and 55 km trail routes from Museum Square. Race under the Clifton Suspension Bridge, through Leigh Woods and along riverside and railway paths, with feed stations and a finisher medal.

Run amid Bath's city sights and rolling countryside at the Bath 50 Ultra Challenge, based at Bath Racecourse. Choose from 50 km, 29 km or 10 km looped routes with full support, rest stops and finisher T shirt and medal.

Challenge yourself on a 32 mile loop in the Black Country, starting and finishing at Baggeridge Country Park on 29 March 2026, solo or in teams of two or four. The mostly traffic free route follows canal towpaths and tunnels and finishes wi..

Take on the Feighan Fury 10 mile trail through mid Devon woods, rivers and hills on 29 March 2026, with a 5 km fun run and walk for all abilities. Expect rugged scenery, on course support and a technical event vest for Fury finishers.

Run Upcote Spring Trail is a limited entry 5 mile off road route around Upcote Farm near Cheltenham, featuring forest tracks, climbs and scenic Cotswolds views. Expect chip timing, medals for all finishers and a friendly festival vibe.

April 2026

Event overview The Dyfi Half takes place in Aberdyfi on Sat 04 Apr 2026. The event offers a half marathon and a marathon (run as two laps of the half). The half is an Index Race in the UTMB 20K category. The first 20 places are offered at a..

UTMB Index

Inaugural BOWUM is a 30 mile circular trail in Monmouthshire linking Skenfrith, Grosmont and White Castle via the Three Castles Walk and Offas Dyke Path. Enjoy rolling hills, well stocked checkpoints and no time limit.

Run Pendine Sands on firm beach along a scenic out and back course with distances from 5k to ultra. Finishers earn bespoke medals, category winners take trophies, and the event is cup free so bring a reusable cup.

Board a vintage steam train from Minehead and run back through the Quantock Hills and along rugged coastlines in Steaming to the Coast. Choose 11 km, 11 miles or a full marathon for a memorable seaside trail finish at Minehead station.

Pick 32.5, 18.5 or 10 mile coastal trail races finishing at Ogmore by Sea Village Hall. Run the Wales Coast Path past 19 beaches and miles of Glamorgan Heritage Coast cliffs, coves and rolling countryside for a memorable coastal challenge.

Enjoy stunning coastal, woodland and dune trails at Oxwich Bay with 5 km, 10 km or a self navigated half marathon. Part of the Run The Trails Series, the event is timed and all finishers receive a medal.

The Llangollen Fell Race, hosted by Run Free Fell Runners in North Wales, is a popular annual event featuring two scenic routes: a challenging 17-mile course with 3000ft of elevation and a shorter 10-mile route ascending 1969ft. Both start..

Tackle The Big Cheese, a 15 mile off road fell race across the Mendip Hills with over 2,000 feet of climbing. Enjoy a fully marked course, finishers medal and tea and cake to celebrate at the finish.

Take on the Wild Horse 200 series and run 200 miles across unforgettable Welsh trails and mountains. Pick the South Wales route finishing at Worms Head in April 2026 or the Mid Wales loop starting and ending in Machynlleth in June 2026.