Trail Running calendar near Nantlle 2026-2027

We have found 222 Trailruns within 80 miles of Nantlle. See below where and when you can find the races.

A guided mountain run or walk across Snowdonia to cover all 14 officially recognised 3000 ft peaks, offered as a 20 hour challenge or a two day option with low ratio qualified guides and on route support.

Inflatable 5K in Knutsford, Cheshire takes place on Saturday 18 July 2026; the organiser describes the 2026 edition as bigger and bouncier, with recent booking activity and positive participant feedback.

A scenic trail run in Herefordshire starting from Aymestrey. Choose between a 10-mile route with 1,800 feet of climb or a 5-mile option. The course features lanes, forest tracks, and trails.

A professionally guided, fully supported three day loop in Northern Snowdonia visiting 47 summits over just over 100 km with about 9,000 m of ascent. Small groups return each day to Capel Curig with a support vehicle and 1:6 guiding ratio.

A marked fell race in South Wales on 23 July 2026, covering 5.5 km with 315 m of climb. Entry on the day costs £3 and the minimum age is 16. Post race tea and cake are available; bring your own mug.

An endurance format event on 25 July 2026 at The Sidings, Wirral Country Park. Runners complete a 4.167 mile loop each hour until only one remains; the event is sold out with a waiting list.

Pretty Muddy 5k at Sefton Park in Liverpool is a 5 km obstacle course over gravel and grass with staggered start waves. Facilities include toilets and refreshments; the event is not suitable for wheelchair users and requires participants ag..

Trail race in Glen of the Downs, County Wicklow on 29 July 2026 with an 8.15 km main course and a 4.88 km junior route. Route is fully marked, GPS allowed, 292 m climb, and basic mandatory kit includes a showerproof jacket.

A 6.4 km fell race near Llangollen with 289 m of climb and partial course marking. Entry on the day only for £5 and there are no toilet facilities because the café is closed.

A short steep fell race in Middletown on 29 July 2026 covering 2.8 km with 440 m of ascent. Registration is at the Breiddens Inn with pre-entry via SI Entries or entry on the day, and junior races are included in the summer series.

August 2026

A 10.00 km mountain run in County Wicklow with 680 m of ascent, Level B mandatory kit, limited to 50 places; entries open late July 2026 and fees apply.

A family trail event at Porth Farm near Caersws featuring a one mile fun run and an approximate 5 km main race, with online entry and a listed closing date of 31 July 2026.

Experience mountain running in County Wicklow with routes over the rocky summit of Little Sugar Loaf. Choose between the 8.5 km forest and mountain trail, a 5 km short course, or a 1 km mountain bike track fun run.

Enjoy a scenic five mile multi terrain race through the Cheshire countryside starting in Moulton. All participants are rewarded with a traditional pie and peas supper at the finish line with various dietary options available.

A multi-terrain club race on Thursday 6 August 2026 around Care & Repair, Rowley’s Drive, Shotton, covering approximately 4 miles. Pre-entry fees apply; entrants must be 17 or older and entries are limited.

A long-established August event in NE Wales from Cilcain Village Hall offering 32 miles, 24 miles and 16 miles routes that follow the Clwydian Hills and the Offa's Dyke Path over Moel Famau. Walkers and runners are welcome.

Discover the beauty of Wicklow during the inaugural Leinster Weekend on this ten kilometer trail. Runners will navigate a scenic mountain route with five hundred meters of ascent in a supportive community environment.

The Ragleth Inn Fell Race will take place in Church Stretton on Wednesday 12 August 2026.

A 12 or 24 hour hill and trail event on Moel Famau using a 7.51 km loop with 511 m ascent per lap. Solo runners and teams can complete as many laps as they choose while using on site camping and support facilities.

SkyRun Eryri in Rhyd-Ddu, Eryri/Snowdonia stages four mountain races from 16 km to 55 km on 15 August 2026, with large elevation gains, aid stations and a mix of ridgelines, scrambling and technical trails.

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