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.

Tackle scenic trails on the Long Mynd from Carding Mill Valley with a choice of a half marathon or a two lap full marathon. Enjoy well stocked aid stations, friendly marshals and a post race cake competition for all.

February 2026

Event overview DirtRun Dudmaston 10k takes place on 1 February 2026 at Comer Woods, part of Dudmaston Estate. The event uses an off-road route around tracks and trails in Comer Woods and covers 10 km. All finishers receive a medal and finis..

The Westonbirt Arboretum Winter Night Race is a unique running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which offer a beautiful and varied landscap..

Enjoy a winter run through Westonbirt Arboretum's stunning tree collections on solid underfoot trail style paths. Distances of 5 km and 10 km suit all paces. Tickets are sold out.

Take on the Muddy Woody, a runnable 6 miles of forestry and single track with steep climbs and fast descents at a new Aconbury Court Farm venue on 8 February 2026. Expect chip timing, a bespoke Muddy T shirt and hot drinks after the race.

Explore the Severn banks on the Winter Railway Ultra, a scenic multi distance trail along a disused railway through Ironbridge to Bridgnorth. Choose from 9 to 37 miles and soak up industrial heritage on this unique February run.

Run Bath's Two Tunnels, passing through Devonshire and Combe Down tunnels, with distances from 500 m up to 50 km plus relays. Support Sustrans and enjoy unique underground scenery and a lively festival atmosphere.

Ironwood Challenge is a scenic six mile trail through ancient woodland and hilly fields above Long Ashton, with mixed terrain and famously muddy sections. Chip timed, the race offers post run cake and supports Wellspring Counselling.

Take on a scenic off road 9.5 km two lap course around Kinver Edge and the famous Rock Houses in Stourbridge. Open to runners 14 and over, the event promises finish goodies, a medal and prizes for top male and female finishers.

The Sorbrook Slog on 22 February 2026 is a testing yet scenic 7 mile multi terrain run across footpaths, fields and country lanes around Sorbrook and Sluvad. Friendly local race with marshals, tea, cake and prizes; enter online by 19 Februa..

Castle 2 Castle Ultra is a sold out 32 miles run from Powis Estate in Welshpool to Caffi Wylfa in Chirk, blending fast flat paths, rolling footpaths and open views. Prizes await top finishers and everyone gets a finisher plate and goodies.

Take on the 43rd South Shropshire Circular on 28 February 2026, a 25 miles route with about 4675 ft ascent that tests navigation and endurance. The course is revealed on the day with checkpoints and a 10 hour time limit.

March 2026

Run 70k along the Taff Trail from the Brecon Beacons to Nantgarw, enjoying reservoirs, viaducts and valley views on a fully marked one way ultra. Bus transfers and strong on course support help you focus on the run.

Take on the Brecon to Cardiff Xtreme, a rugged 75 km mountain ultra across 11 summits, or join the Taff Xtreme Marathon for the scenic second half of the route. Both routes finish at Coleg y Cymoedd and demand strong navigation and grit.

The Imber Ultra is a scenic 33.5 mile multi terrain trail across Salisbury Plain, starting in Westbury and following the Imber Range Perimeter Path. Now in its 12th year, this charity fundraiser promises tough trails and sweeping views.

Tackle undulating trails, muddy paths and a shallow stream crossing on an adventurous six mile route at Baggeridge Country Park. Join the Action Heart Tuff Un on 1 March 2026 to test yourself and support a West Midlands cardiac charity.

Join the St David's Day Dragon Run at Dare Valley on 1 March 2026, a relaxed seven hour challenge where you choose how many laps to run. Expect scenic trails, medals from 3 km and tasty goody bags with vegan options.

Take on the Winter Green Man Ultra near Bristol with 30 or 45 mile self navigated courses along the Community Forest Path, finishing at Ashton Park School. Expect crisp winter trails, checkpoint support and a technical finishers shirt and m..

The CODopoly Triple is a friendly multi day running event in Shropshire where you can run one, two or all three days. Choose 8 mile, half marathon or marathon courses and soak up Ironbridge and south Telford views at The Unicorn Inn.

Enjoy scenic trails at Nant Yr Arian on 14 March 2026 with half marathon, 10 km and junior races. Waymarked routes, marshals and a village with food and coffee make this charity trail a great day out.