Trail Running calendar near Brecon 2026-2027

We have found 255 Trailruns within 80 miles of Brecon. See below where and when you can find the races.

Take on The Holly Challenge on 24 January 2026 in Lightmoor Nature Reserve with distances from 5K to marathon and just 50 places available. Enjoy a scenic lane route, full support and a finisher medal.

Join the Blackdown Beast, a social self guided run across the Blackdown Hills from Dunkeswell on 24 January 2026 with 10 and 16 mile options. Enjoy scenic trails and refreshment stops while helping Macmillan Cancer Support.

Spice Up Your Run Wales on 24 January 2026 at Dare Valley Country Park is a fun themed 7 hour time challenge where runners choose distances from 3km up to ultra, with optional fancy dress. Enjoy scenic trails, on course aid, and a Spice Gir..

Tackle muddy trails and steep climbs at the May Hill Massacre, a scenic cross country run around May Hill in Gloucestershire. Choose a 7 to 8 mile route or the longer 14 to 15 mile Mayhem loop, with a canicross option and limited entries.

Run scenic trails across the Shropshire Hills and Long Mynd at The Icing on the Cake on 31 Jan 2026 with marathon, half and 10k options. Finish by the National Trust tea rooms and join the cake competition for a sweet post race treat.

Ras Tarrenhendre Fell Race in Abergynolwyn, Wales on 31 January 2026 is a rugged 6 mile test with about 2000 ft of ascent across ridges, forestry and old slate quarries. Expect steep climbs, exposed summit running and a moorland descent.

February 2026

Join the DirtRun Dudmaston 10k on 1 Feb 2026 for a scenic off road 10 km through Comer Woods at Dudmaston Estate. Enjoy a finisher medal and goodie, with category prizes including real ale for top performers.

The fourth race of the West Glamorgan XC League takes place on 1 February 2026 at scenic Kenfig Nature Reserve. Tackle 4.2 miles of classic cross country terrain with Cornelly Striders hosting; entries are limited so sign up from 19 January..

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..

A short fell race from Cleeton St Mary covering 4.1 km and 229 m ascent, run on an unmarked course where map-and-compass navigation and Full Kit are required; pre-entry and on-the-day entry options are available.

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.

Muddy Woody 2026: The Wye Valley Brewery Muddy Woody returns on 8 February at a new Aconbury Court Farm course. About 6 miles of forest and single track with runnable hills, chip timing and a free bespoke Muddy T shirt for finishers. Junio..

A 10 mile run on 08 Feb 2026 that starts and finishes at King George V Playing Field in Melksham and routes via the village of Lacock. Prizes and medals are awarded, entry restricted to ages 16 and over; the event is closed.

A Shropshire fell race of about 18 km and 1300 m ascent across trail and open fell, run under FRA rules with full kit required. Entries open 4 January and close 6 February 2026.

The Love Run on 14 February 2026 at Pengethley Manor offers 5k to ultra options on a tough offroad loop with a seven hour completion limit and virtual entries plus a choice of full or split medals.

Run a flat, traffic free 10k on the National Cycle Network from Calne to Stanley near Chippenham, chip timed and well marshalled on an out and back multi terrain course. A 1 mile fun run for under 17s and limited entries make this a friendl..

Run Brimscombe's canal towpath at the Back to the 80s timed event, choosing any mix of 2.62 mile laps to make 5k to ultra distances. Enjoy a relaxed one hour start window, seven hour limit and a bespoke finisher medal to mark your effort.

Take on the Winter Railway Ultra on 21 Feb 2026 with distances from 9 to 37 miles along a scenic disused railway by the River Severn between Ironbridge and Bridgnorth. Aid stations and nearby pubs add winter charm to the challenge.

Races in Bath that run through two converted railway tunnels, including a 408 m and a 1,672 m tunnel. Multiple distances from a 500 m Colourburst to an ultra marathon start and finish at Brickfields Park.

An off road two lap 9.5 km race at Kinver Edge and the Rock Houses with a 100 runner limit. Age 14 and over, male and female categories, prizes for the top three and a medal for every finisher.