Trail Running calendar near Llanberis 2025-2026
We have found 102 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.
We have found 102 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.
Take on the Welsh 3000 Challenge and traverse Snowdonia's 14 peaks in a spirited guided run or steady walk. Choose the 20 hour challenge or a relaxed 2 day option with expert mountain leaders, limited places and full support on July 18 2026..
Run the iconic 130 mile Leeds and Liverpool Canal race from Liverpool to Leeds, non stop along towpaths and historic locks. Choose supported or unsupported entry and aim to finish within the 40 hour limit on 29 August 2026.
Tackle the epic 102 mile Yr Wyddfa Snowdon Ultra, a self navigation race through Snowdonia on 5 September 2026 with a 42 hour limit. Mountain experience and solid map skills are required for this tough, remote challenge.
Take on the Yr Wyddfa Snowdon Ultra 50, a rugged 45 mile mountain ultramarathon across epic Snowdonia scenery to the Snowdon summit. Based in Betws y Coed on 5 September 2026, the race offers live tracking, checkpoint support and finisher m..
Run the spine of Wales in the legendary Dragon’s Back Race, a six day, 380 km ultra through rugged mountain terrain from Conwy Castle to Cardiff Castle. Choose the full route or shorter stage options to suit your adventure spirit.
Conquer the Welsh 3000s in Snowdonia on a guided mountain run traversing all 15 peaks over 3,000 ft, including Crib Goch. Around 30 miles with 4,000 m ascent, this epic daytrip blends big mountain scenery with expert guides and support.
Run the scenic 361° Abersoch Half Marathon along the Llyn Peninsula, finishing with the final kilometre on Abersoch Beach amid cheering crowds. Part of the Abersoch Triple Crown, this seaside race blends road pace with coastal charm.
A challenging 10 km uphill only race from Ruthin to the Jubilee Tower on Moel Famau, finishing above 550 m with sweeping hilltop views. Open to walkers and hill runners, it pairs a tough ascent with a memorable mountain finish.
Tackle the Brenig Way 50 km trail, a scenic endurance run from Corwen to the dam at Llyn Brenig through forests, riverside paths and technical climbs. Electronically timed with GPS trackers and aid stations, it is a rugged yet well supporte..
Tackle scenic trails at the Delamere Forest 21k or 42k on Sunday 22 November 2026, with routes through Blakemere Moss and along the Sandstone Trail. Enjoy a well marshalled, sustainability focused event set among beautiful woodland.
Join the Mount to Coast Blue Caps single day ultra, a scenic roughly 35.5 miles from Wigan to Tarporley and part of the Mount to Coast series. Limited field and live tracking make it a focused, adventurous challenge for seasoned runners.