Trail Running calendar near Builth Wells 2026-2027

We have found 286 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

Run the rugged beauty of the Shropshire Hills at Battle of the Borders, starting from Carding Mill Valley and tackling the dramatic Long Mynd ridges. Choose marathon, half marathon or 10K on waymarked, scenic but rewarding trails.

Join a scenic charity 10k across Staffordshire countryside, starting and finishing at the canal side Hartley Arms in Wheaton Aston. With only 150 places, the race finishes with music and food at the pub to celebrate local charities.

A running event at Westonbirt Arboretum on 5 September 2026 with 1 mile, 5 km and 10 km routes through varied tree collections; organised by Relish The Great Outdoors and currently showing tickets as sold out.

RunThrough Snowdonia Sea2Sky in Barmouth invites trail runners to tackle coastal paths and climb Cadair Idris with 12 km, 25 km and 54 km options. Expect stunning views, waymarked trails, chip timing and a lively event village.

A long-distance walking and running event crossing Wales over a 45 mile linear route to be completed within 18 hours, presented as a weekend package with accommodation, coach transport, refreshment stops and route maps.

Join the Ross on Wye Riverbank Run on 6 September 2026 for scenic multi terrain 5k, 10k and a family fun 500m along the River Wye. Flat, fast course, chip timing and medals for all finishers make it perfect for racers and families alike.

Take on the Stretton Skyline, a scenic yet demanding 30.5 km fell race around Church Stretton with 1357 m of climb and panoramic Shropshire Hills views. Pre entry only, finishers enjoy a tasty goody bag.

A single-day guided crossing of the 15 Welsh 3,000 ft peaks across Snowdon, Carneddau and Glyderau, covering about 50 km and 4,000 m of ascent. Transport, guide, support vehicle and food stations are included.

A multi-distance walking event on 12 September 2026 from Wistanstow Village Hall, with 12, 18 and 26 mile routes through Clun and Bishop's Castle and much of the Shropshire Hills AONB. Entry is limited and support is provided.

Eight mile town to tide run from Barnstaple Pannier Market to Crow Point on 13 September 2026, with a one mile children's race and an event village near the finish. Proceeds support Families in Grief.

A lap-based ultra in Bridgend, South Wales, on a 10-mile loop offering 50-mile (5 laps) and 100-mile (10 laps) options with aid stations, crew access, and set time limits.

Brutal Extreme Triathlons in Llanberis, North Wales challenge athletes with a lake swim, tough open road bike laps and a final climb of Snowdon via the Llanberis Path. Enter solo or as a relay team and test your limits on wild terrain.

Race 47 miles along the Cotswold Way from Chipping Campden to Painswick, traversing the rolling hills of the Cotswolds Area of Outstanding Natural Beauty. This licensed continuous trail challenge runs under UK Athletics and TRA rules.

UTMB Index

A 13.1 miles road half marathon in Abersoch on the Llyn Peninsula that finishes with the final kilometre on the beach. The race uses ChronoChip timing, has multiple drink stations, on-course marshals and a beach finish with music and medals..

A single stage non stop trail run of approximately 102 miles along the Cotswold Way from Chipping Campden to Bath. The route is very hilly with varied surfaces and includes live tracking, aid stations and medical support.

UTMB Index

Run a scenic 10km through Cannock Chase Forest's woodland and heath with live chip timing and a finisher medal. Canicross friendly and offering a post race snack and drink, this event blends great trails with a welcoming vibe.

A hilly trail event in the Cothi valley offering a 13 mile half marathon, a 6.5 mile alternative and a kids race, held at Pumsaint Village Hall with online entry and published route and results.

Three long-distance coastal trail races on the Wales Coast Path around the Gower peninsula, with 50, 34 and 23 mile options. The event uses GPS tracking and checkpoints, and requires self-navigation and compulsory kit.

Run through scenic Margam Country Park with castle views in this chip timed trail event offering 5K and 10K options. Fully marked courses, water stations, finisher medal and award ceremony make it perfect for racers and fun runners alike.

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.