Trail Running calendar near Morfa Nefyn 2026-2027

We have found 139 Trailruns within 80 miles of Morfa Nefyn. See below where and when you can find the races.

Multi-distance triathlons in Llanberis with a lake swim in Llyn Padarn, repeated 28 mile bike laps including Pen y Pass, and lake laps followed by a mountain ascent of Yr Wyddfa via the Llanberis Path.

Run a scenic road course through North Wales coastal villages before an exhilarating beach finish. This Welsh Athletics affiliated event offers a half marathon and 10K trail with a vibrant seaside atmosphere.

This 16.4 km mountain run takes you on a tough circuit over four peaks near Glendalough. Runners must carry full safety gear and navigate an unmarked route. With an entry limit of 50, it's part of the Leinster Championship.

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.

A continuous 286 km, 11,300 m ascent race across three Welsh peaks with solo and team options. The event is fully tracked, has five indoor checkpoints and a 4.5 day (108 hour) time limit.

Experience the wild beauty of the Wicklow Mountains in Ireland at this premier international trail running event. Choose from five distances starting at the vibrant Bray Seafront for an eco friendly adventure between the mountains and the s..

UTMB Index

Tackle a tough three leg mountain relay across County Wicklow's highest peaks, covering 54 km with 2170 m of ascent. Unmarked route and mandatory Level C kit make this a true test of navigation and endurance.

Tackle the Stone Cross to Lug, a remote 54 km mountain route in County Wicklow with 2170 m of ascent. Unmarked and GPS free, this extreme challenge demands navigation skills and mandatory safety kit for a true wild running test.

October 2026

A women-only introductory night trail run on the Sugarloaf Way in Wicklow. This 7 km event requires a head torch and trail shoes, with all entry fees supporting Bray Women's Refuge. A sweeper ensures it's accessible for various paces.

An uphill only *10 km* race from Ruthin to the Jubliee Tower on Moel Famau, finishing above 550 m. The route mixes lanes, trails and a steep final gulley; a bus return option is available and member entry can be free.

Experience a night run through the hills of Wicklow with 5 km and 11 km routes featuring technical trails and forest boardwalks. Use a headtorch to navigate the terrain and enjoy post race refreshments in the mountain air.

A trail event from Camp Plas in the Cambrian Mountains offering 20, 32 and 40 mile routes, marked support and eco friendly camping with on-site amenities and stocked checkpoints.

Experience a multi terrain race over Pen Dinas and Constitution Hill starting from the Aberystwyth Promenade. With distances for both seniors and juniors, runners face climbs on gravel, grass, and rocky paths with coastal views.

Trail races at Loggerheads provide 6 km and 12 km routes, including a 6 km canicross, on marked and marshalled trails in a family friendly park setting. There are no time limits.

A 50 km trail along the Brenig Way from Corwen to Llyn Brenig with 1450 m ascent, marked waymarkers, a GPX file and three checkpoints offering refreshments.

Experience a fast and flat out and back race along a historic railway path. Enjoy scenic views of the Dee Estuary and Wales while completing this chip timed event on the Wirral Way gravel trails.

Experience a night run through the historic Glendalough valley with a choice of 10 km and 5 km routes. Race past iconic landmarks and mountain summits on fully marked trails in the heart of County Wicklow.

A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia, run at a steady pace with frequent regrouping stops. Two entry options are listed including a paid standard entry and a free member entry.

November 2026

Trail half marathon and 10K near Newborough Forest and Llanddwyn Beach on 1 November 2026, with forest and sandy coastal routes and views across the Menai Strait to Eryri.

A 6 mile out and back fell race with 1900 feet of ascent around Rhobell Fawr, starting and finishing at Llanfachreth village hall. It opens the Meirionnydd Winter Race Series and requires full WFRA kit and fell shoes.