Trail Running calendar near Llanfairpwllgwyngyll 2026-2027

We have found 145 Trailruns within 80 miles of Llanfairpwllgwyngyll. See below where and when you can find the races.

A timed multi-lap event at Chorlton Water Park on 13 June 2026 with laps of a 5.3 km out and back riverside course, a seven hour limit, vegetarian aid station options and a charity donation per entry.

Join a guided 20km mountain run from Beddgelert Forest to Llanberis across the Snowdon Range. Led by qualified Mountain Leaders, this event offers expert route knowledge and 1,900m of elevation gain in the heart of Snowdonia.

Tackle a 51-mile mountain and trail ultra through Southern Snowdonia, summiting Cadair Idris and Rhinog Fach. The event features six fully stocked checkpoints, live GPS tracking, and a 20-hour time limit. Finishers earn a medal based on the..

UTMB Index

Challenge yourself on a scenic 10k trail run around the Lake Vyrnwy estate. The mixed-terrain course offers climbs with views and fast downhill sections, suitable for runners aged 16 and over. All finishers receive a medal.

The Lake Vyrnwy 10k is a trail run through the scenic Lake Vyrnwy estate. With varied terrain and climbs offering views, it finishes with a medal in a festival atmosphere.

Experience a focused fell race in Darwen featuring three distinct climbs including Jubilee Tower and the steep Aggies Staircase. This four mile course offers 350 meters of ascent over moorland and rough paths.

The Cringle Hill Fell Race will take place in Isle of Man on Saturday 27 June 2026.

July 2026

This 27-mile ultra marathon starts with a challenging trek up Plynlimon mountain in Wales. Runners then follow the Severn Path to the finish, passing two stocked checkpoints. All finishers receive a medal, technical t-shirt, and head visor.

A five day multistage ultramarathon along the River Severn of approximately 220 miles, each day run as a separate race with bespoke medals and shared hotel accommodation between stages.

Take on the Stiperstones Fell Race in Snailbeach on Wed 8 Jul 2026, a rugged 6.7 km course with about 375 m of climb across classic Shropshire ridgelines. Pre entry is £7 or pay £10 on the day, with junior races available.

A 48-mile point-to-point ultra marathon tracing the River Severn from Mid Wales to Shrewsbury. Participants must maintain a minimum pace to pass checkpoints, with vegan and gluten-free food available. Finishers receive a bespoke medal and t..

Experience the landscape of Eryri National Park with a range of trail races from 10k to a 57km ultra marathon starting and finishing in Llanberis. Run through iconic Welsh landmarks with full course support and chip timing.

UTMB Index

Test your endurance on the highest peak in Wales with a 24 hour ultra trail challenge. Run solo or in a relay team to complete as many ascents of Yr Wyddfa as possible in this UTMB indexed event.

Run the scenic Shropshire Hills at The Piece of Cake Trail Run in Carding Mill Valley with 10K, half marathon and marathon distances. Enjoy marked trails, aid stations, a finisher medal and a cake competition.

The Phoenix Blaze is a flexible, timed running event along the flat River Mersey towpath. Run from one 5.3km lap to an ultra marathon within the 7-hour limit. It's part of a summer series with a charity donation for every entry.

Cross all fourteen 3000ft peaks in Snowdonia on this guided 50km mountain challenge. Choose between a continuous 20-hour push or a two-day journey with expert leaders and full 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.

Experience a guided three day journey through Northern Snowdonia covering 47 mountain peaks and 9000 meters of ascent. This fully supported 100 km loop offers a professional mountaineering experience in small groups.

August 2026

Art's Loop is a 10 km mountain run in Wicklow with 680 meters of climb, part of the Leinster Championship. It requires specific mandatory safety gear, with final kit decisions made on race day. Registration opens in late July for a limited..

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.