Trail Running calendar near Morfa Nefyn 2026-2027

We have found 118 Trailruns within 80 miles of Morfa Nefyn. See below where and when you can find the races.

Tackle Trooperstown Hill in County Wicklow on Wednesday 15 July 2026, an energetic mountain run with 11.5 km of rugged trail and 455 m of climb. Fully marked route and part of the Leinster League, perfect for keen trail runners.

Take on the Welsh 3000 Challenge and cross 14 peaks in Snowdonia from Pen y Pass in a guided 20 hour push or a two day option. Small guided groups, food stops and return transport make it a supported mountain running and walking adventure.

Tackle a guided three day mountain run from Capel Curig across a 100 km Snowdonia loop. Small groups and qualified leaders provide on route support for an epic but manageable challenge for experienced mountain runners.

Enjoy scenic trails in Glen of the Downs on 29 July 2026 with a main 8.15 km route and a shorter 4.88 km option. Fully marked and part of the Trail League Leinster, this friendly race offers great views and post race food.

August 2026

Enjoy classic Belmont mountain running in County Wicklow on 5 August with scenic but technical 8.5 km and 5 km courses plus a free 1 km Belmont Challenge fun run. Expect rocky summit sections, marked routes, mandatory Level B kit and café p..

Tackle the Clwydian Hills on Offas Dyke Path with three scenic route options of 16, 24 or 32 miles, suitable for walkers and runners. Enjoy checkpoint refreshments, GPX routes and a finishers certificate.

A sharp 4.4 km fell race from the Ragleth Inn in Little Stretton featuring 390 m of climb and great ridge views; a fast, testing course for keen fell runners. Pre entry via SI Entries or entries on the day are welcome.

The Mountain Rescue Benefit Race will take place in Brockagh on Wednesday 12 August 2026. You can run between 5 and 8 kilometers.

Lug Uphill in Barravore, County Wicklow on 14 August 2026 packs 800 m of ascent into a steep 6 km climb that will test every runner. As part of the Irish Uphill League and a Nasego Six Nations trial, this new Leinster Weekend race is a must..

SkyRun Eryri brings classic Snowdonia skyrunning to Rhyd Ddu with four mountain trail races from a technical 55 km ultra to shorter scenic challenges. Expect rocky scrambles, grassy ridges and towering Welsh 3000s views.

Take on the 130 mile nonstop canal towpath race from Liverpool to Leeds along the Leeds and Liverpool Canal, with supported or unsupported entry options. Field capped at 100 runners and a 40 hour cutoff make this an epic endurance test.

September 2026

Run Anglesey's rugged coast with Ring O' Fire 130, a 130 mile three day circumnavigation of the island with cliffs, beaches and about 4,000 m of ascent. Or try the Firelighter 50, a near 47 mile coastal challenge finishing in Moelfre.

Take on the Yr Wyddfa Snowdon Ultra, an epic circa 100 mile mountain race across Snowdonia Eryri with about 5,172 m of ascent and a 42 hour cutoff. Limited to 250 runners, this self navigation ultra rewards seasoned trail and mountain runne..

Tackle a rugged 45 mile mountain ultra around Snowdonia's iconic peaks, starting and finishing in Betws y Coed. Expect big climbs, dramatic scenery and a tight 500 runner field for a true mountain running test.

Run the rugged beauty of the Shropshire Hills at Battle of the Borders, starting from Carding Mill Valley and tackling the dramatic Long Mynd ridges. Choose marathon, half marathon or 10K on waymarked, scenic but rewarding trails.

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.

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

Tackle the iconic Welsh 3000s with expert guides on a non competitive, fully supported 30 mile mountain run across 15 peaks in Snowdonia. Enjoy soaring ridgelines, big climbs and unforgettable camaraderie as you cross the Snowdon, Carneddau..

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.