Trail Running calendar near Brecon Beacons 2025-2026

Tackle the Thames on a four day 184 mile endurance race from the Cotswolds to Greenwich, 6 to 9 August 2026. Enjoy supported nights, strict pace cutoffs and stunning riverside scenery while earning UTMB points.

Tackle the MTC Cotswold Ultra, a 57 mile point to point along the Thames Path from Kemble to Oxford. Expect sparse support, stunning riverside scenery and a rewarding finish for seasoned trail runners.

Experience the Two Tunnels in Bath, a unique run through two lit, surfaced railway tunnels and rolling paths. Options span short Colourburst runs up to marathon and 50 km distances, with proceeds supporting Sustrans.

The Beast of Llangattock is a scenic but rugged trail race in Powys offering distances from 10 km to 51 km. Expect limestone views, stiff climbs, well stocked aid and strict mandatory kit to keep runners safe.

Run the Summer Green Man Ultra around Bristol on the Community Forest Path, choose 45 mile or 30 mile clockwise loops, self navigated with checkpoints for water and timing. Expect woodland views, tough terrain and a bespoke finisher medal.

Enjoy scenic trail running and canicross around Wimbleball Lake on August 28, 2026, with 5K and 10K routes for runners and dog teams. Camping, parking and toilets on site make it a relaxed lakeside race day with medals for all finishers.

Run through dramatic Welsh hills at the Black Cattle Ultra on 29 August 2026, with 44 mile and 33 mile options that tackle mountain terrain, woodland vales and a Castell Coch finish. Hosted by Ridge Runners in Cardiff, this route rewards bo..

Join the Plum 10K on 30 August 2026 in Pershore, a friendly community race hosted by Pershore Plum Plodders. Enjoy a welcoming vibe and strong club support from one of Worcestershire's established running clubs.

The RIDUM is a 30-mile ultra marathon held in South East Wales, following the Rhymney Valley Ridgeway Walk. This challenging trail run features 4,252 feet of elevation, taking participants across ridge tops around the Caerphilly basin with..

Tackle the wild Shropshire Hills at Carding Mill Valley with scenic 13.1 mile and 26.2 mile trail races through the Long Mynd. Well marked routes, aid stations and marshals make this a classic, challenging day out for trail runners.

Take on the Joust Races 2026, a friendly 24 hour multi lap running challenge at Top Barn Camping with a well marked, mostly flat loop and a lively campsite atmosphere. Enter solo or with a team for a memorable endurance weekend.

Challenge yourself at the Trails & Tarmac Backyard Ultra in Crickhowell's Black Mountains on 19 September, tackling 4.17 mile loops split between trail and tarmac. Run hourly laps until one runner remains and hit 32 miles to claim a medal.

Take on the Cotswold Way Century, a stunning 102 mile non stop trail from Chipping Campden to Bath showcasing rolling hills, stone tracks and panoramic views. Test your endurance over varied terrain with a 32 hour time limit and full suppor..

Join the 361° Abersoch Half Marathon along the scenic Llyn Peninsula, finishing with a memorable final kilometre on Abersoch Beach. Enjoy a festival finish with a medal, tech tee and lively music as part of the Abersoch Triple Crown.

Take on the Cotswold Half Way, a scenic 47 miles along the Cotswold Way from Chipping Campden to Painswick. Expect very hilly trail terrain, supportive aid stations and live tracking as you race to finish within 15 hours.

Take on a 6.7 km loop at Wyre Forest with Lone Wolf Birmingham, running one lap each hour and as many laps as you like up to 24 hours. Wooden trophies and medals await finishers, with a cafe and relaxed event atmosphere.

Race scenic trails at Margam Country Park with castle views on a 5K or 10K loop. Fully marked and marshalled with chip timing, water stations and a finisher medal, ideal for new and experienced runners.

Run through ancient woodland in the Forest of Dean at the Autumn Half Marathon starting and finishing at Speech House. This scenic 13 mile trail on well marked tracks supports local charities and awards a medal to every finisher.

Twin Peaks & Ras Consti in Aberystwyth is a scenic coastal race mixing paths, roads and rocky climbs. Seniors run 11.7 km with climbs of Pen Dinas and Constitution Hill while juniors race shorter routes finishing on the promenade.

Tackle the Brenig Way 50 km trail, a scenic endurance run from Corwen to the dam at Llyn Brenig through forests, riverside paths and technical climbs. Electronically timed with GPS trackers and aid stations, it is a rugged yet well supporte..