Trail Running calendar near Llanuwchllyn 2026-2027

We have found 282 Trailruns within 80 miles of Llanuwchllyn. See below where and when you can find the races.

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.

The Montane Dragon's Back Race will take place in Conwy from Monday 7 September 2026 to Friday 11 September 2026.

UTMB Index

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.

Tackle the Ilam Three Peaks fell race on Sun 13 Sep 2026 in the Peak District, a punchy 6.4 km route with 520 m of climb across classic fell terrain. Pre entry required, so book early for this steep, scenic challenge.

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.

Three Towers Ultra crosses the wild West Pennine Moors from Darwen, visiting Jubilee, Rivington and Peel towers. Choose 39 or 55 mile routes with big climbs, a pub finish at the Ranken Arms and proceeds supporting Bolton Mountain Rescue.

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 40 mile ultramarathon in Buxton on mixed trails and road, held for its 40th anniversary on 19 September 2026. Entrants must be 18 or older and complete the course within 14 hours.

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..

Take on the scenic Bollington 3 Peaks fell race in the Peak District on Sat 19 Sep 2026, a 9 km course with 370 m climb. Pre entry only, entry includes food and a pint from Bolly Brewery.

Take on the Cannock Chase Wild Trail 10KM on 20 September 2026, a scenic forest 10 km route with live chip timing, finishers medal and Wild Deer goodies. One controlled dog per runner is welcome.

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.

UTMB Index

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.

October 2026

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.