Trail Running calendar near Llanfairpwllgwyngyll 2026-2027
We have found 193 Trailruns within 80 miles of Llanfairpwllgwyngyll. See below where and when you can find the races.
0 – 100∞ km
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A guided crossing of all Welsh 3000 ft peaks in Snowdonia, covering about 50 km and 4000 m ascent. Available as a 20 hour challenge or across two to three days, with qualified leaders, low guide ratios and on-route support.
Experience a focused fell race on the Isle of Man featuring a 4.5 km course with 150 meters of elevation. This Summer Hill league counter event starts from the Ardwhallan Outdoor Pursuit Centre.
An inflatable obstacle course event in Knutsford, Cheshire on 18 July 2026 offering 2.5K, 5K, 10K and 15K options. The course includes giant inflatables, music zones, a finisher's medal and on course water and vendors.
A mountain running event on 18 July 2026 covering 15.35 km with 994 m ascent. Entrants must be 18 or older and have mountain running experience.
The All Terrain Challenge will take place in Castletown from Sunday 19 July 2026 to Saturday 25 July 2026.
A fully guided three day loop through northern Snowdonia covering just over 100 km, about 9,000 m of ascent and 47 summits. Small groups return to Capel Curig each night with daily support and refuelling.
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.
A muddy 5k obstacle course around Sefton Park with climb, crawl and slide elements; waves run every 15 minutes and participants must be 13 or older. The event supports fundraising and includes event support and a finishers medal.
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 on 29 July 2026 in Middletown covering 2.8 km with about 440 m of ascent. Pre-entry and on-the-day entry are offered and junior races are included in the summer series.
August 2026
A trail backyard ultra at Hollinwood Scout Camp with hourly off-road loops through fields and woodland, a 100-athlete cap, prize money for the winner and an extra award for anyone surpassing 100 miles.
Art's Loop is a 10 km mountain running event in County Wicklow on 1 August 2026 with 680 m of ascent, a 50-runner limit, and a Level B mandatory kit list including a waterproof jacket and whistle.
A scenic 5 miles multi terrain one lap race in Moulton with a pie and peas supper for all entrants and prizes for open, age category and team placings.
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 new 10 km trail race in County Wicklow with 500 m of climb and a route still to be confirmed. The event is part of the Leinster Weekend, requires Level B kit, and does not allow GPS devices.
A 4.4 km fell race from the Ragleth Inn in Little Stretton with 390 m of ascent, a clockwise course with three control points, on-the-day or pre-entry and junior up and down Callow Hill races; some proceeds go to charity.