Trail Running calendar near Aberdyfi 2026-2027

A six day self supported multistage race down the spine of Wales from Conwy Castle to Cardiff Castle, covering 380 km and 17,400 m of ascent. Two day northern and southern options offer condensed sections of the same route.

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.

The Relentless This event takes place at the Bridgend Miniature Railway in Bridgend, South Wales. It is a multi-lap ultra marathon organized by Mad Running Junkies. Runners choose between two distances: a 50-mile or a 100-mile race. The rac..

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.

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 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.

Take on the trails of Margam Country Park. This event offers both a 5K and a 10K route on scenic paths, with car parking and a finisher's medal included for all participants.

Trail running event at Delamere Forest on 27 September 2026 offering a Half Marathon and a 10K. Routes are signposted and chip timed and a canicross option is available.

An uphill only 10 km race from Ruthin to the Jubilee Tower on Moel Famau, finishing above 550 m with varied trails and a steep final gulley. A return bus to Ruthin can be bought at the event; entry fees range from £0 to £21.50.

A 32 mile trail ultra based at Camp Plas in the Cambrian Mountains. The event is limited to 100 runners, run on a fully marked route with support and a 14 hour cut off, with on-site camping, showers, food and live music.

The Twin Peaks Race in Aberystwyth challenges runners with ascents of both Pen Dinas and Constitution Hill on an 11.7 km route. A shorter junior race on the promenade is also available. The event features varied terrain and finishes with a..

Trail races at Loggerheads provide 6 km and 12 km routes, including a 6 km canicross, on marked and marshalled trails in a family friendly park setting. There are no time limits.

A 50 km trail along the Brenig Way from Corwen to Llyn Brenig with 1450 m ascent, marked waymarkers, a GPX file and three checkpoints offering refreshments.

Blaze the Biblins on 18 October 2026 is a scenic 10k trail race through ancient woods and riverbanks near Ross on Wye. Expect technical single track, climbs including the notorious Demon hill, and a lively village finish.

A Halloween-themed running challenge over seven days in Ross-on-Wye. Choose your distance each day on a tough off-road course to earn unique spooky medals. You can run in-person or virtually from anywhere.

The Witches Whisk is a Halloween-themed running event with a flexible distance format. Choose from 5k to ultra and tackle a hilly, off-road course at Pengethley Manor. It's open to runners and walkers, with a 7-hour time limit and a virtual..

The Scary Scamper is an off-road Halloween run with a unique twist. Choose your distance from 5k to Ultra and see how far you can go within a 7-hour limit at Pengethley Manor. You can also join the spooky fun virtually.

The Creepy Crawl is a Halloween themed event where you choose your own distance, from 5k to Ultra, and have 7 hours to complete it. The tough off road course winds through the grounds of Pengethley Manor. A unique spooky medal awaits all fi..