Trail Running calendar near Snowdon Massif 2026-2027

A guided mountain run on 12 September 2026 across the 15 Welsh 3,000 ft peaks in Snowdonia, covering about 30 miles with 4,000 m of ascent. Not a race; transport, guide and support vehicle included, minimum age 18.

A one lap *10K* trail run through Yarrow Valley in September, with leafy woodland paths, riverside sections and river crossings. Post run gathering at the Flaming Grill Pub, medals for finishers and prizes across multiple categories.

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.

Challenge yourself at the Cheshire Ring Ultra 100 Mile on 26 and 27 September 2026 in Great Britain. This GB Ultras race under UK Athletics and Trail Running Association rules suits experienced ultrarunners ready to push their limits.

Experience scenic trails at Delamere Forest with a Half Marathon or 10K on fully marked, chip timed routes and canicross options for runners with dogs. The eco friendly event features aid stations, photos and a wooden finisher's medal.

A looped trail race in Blackpool on 27 September 2026 offering 10K, half, marathon and ultra options on country-park paths, with on-course drinks and snacks and bespoke finishers' medals.

Take on the Town to Tower, an all uphill 10 km challenge from Ruthin to the Moel Famau tower, finishing above 550 m with sweeping views and varied terrain. Expect steep gullies, marshalled support and a truly rewarding summit finish.

Take on the Curvy Cuerden Challenge, a six hour timed trail at Cuerden Valley on a scenic undulating 5 km loop. Run as many laps as you like and earn a bespoke finisher medal with marshals and an aid station on course.

A 32 mile trail event from Camp Plas in the Cambrian Mountains, capped at 100 runners, on a fully marked route with staffed checkpoints, on-site camping and on-course support. The event enforces a comprehensive mandatory kit list and a 14 h..

Take on the scenic Twin Peaks & Ras Consti in Aberystwyth, with a testing 11.7 kilometre senior route over Pen Dinas and Constitution Hill. Starts and finishes on the promenade with great views, cafes and family friendly junior races.

Enjoy autumn trails at Loggerheads Country Park on 17 October 2026 with fully marked, marshalled loops and quiet early starts. Choose 6 km, 12 km, or a 6 km canicross for a relaxed and scenic trail morning.

Take on the Brenig Way 50k, a scenic 50 km trail from Corwen to the dam at Llyn Brenig that winds through the Dee Valley, crosses into Conwy and climbs into Clocaenog Forest. Expect rugged climbs, technical descents and sweeping upland view..

The Welsh Three Peaks Challenge links Snowdon, Cadair Idris and Pen y Fan across North, Mid and South Wales, covering 17 miles and 2334m of ascent, usually within 24 hours. Guided events and private options are available.

Trail races of 10k and Half Marathon through Newborough Forest and Llanddwyn with coastal views to Eryri. The event includes an event village, on course support, chip timing and a bespoke finisher memento.

Enjoy a 5 mile trail through scenic Sankey Valley Park in St Helens on Sunday 1 November 2026, with compact but sometimes muddy terrain and marshals on course. Runners must be 15 or older and all finishers get a goody bag memento.

Run the November Nightmare in Telford from 1 to 8 November 2026 a unique eight day challenge where you can enter any single day or tackle them all. Daily courses of 8, 16 or 26.2 miles pass through Ironbridge and earn a medal each day.

Held in Porth Penrhyn, Bangor on 14-15 November 2026, Slate Trail Ultra offers two trail races of 147 km and 80 km along the Snowdonia Slate Trail with substantial elevation gain and organised aid stations.

A 10 km multi terrain trail run around Beckbury, Shropshire, featuring the Badgers Bite Hill, marshalled and signposted with a halfway drinks station and a finisher medal.