Llanberis
Trail Running Calendar near Llanberis 2026-2027
Explore the top trail runs near Llanberis for 2026-2027! We've gathered 40 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
A medium length fell race from Llanfachreth with a 6 mile route and 579 m ascent, forming the first event in the Meirionnydd Winter Race Series.
Two long distance trail races on the Snowdonia Slate Trail that pass slate heritage sites, include aid stations, GPS tracking and strict mountain safety requirements.
Guided 55 km run across three of Anglesey's highest tops with over 2000 m ascent, checkpoint support and guides, starting and finishing at Lligwy beach.
A 16.1 km fell race around Penmaenmawr with 594 m ascent, partial route marking and an early start option for slower runners; entry is online only (£12).
A guided 10 km trail run from the Sychnant Pass summit featuring runnable terrain, regular stops and a steady group pace on an upland route.
December 2026
Pre Christmas social run and walk at Conwy Falls offering a leisurely run or walk of up to 2 hours with a cafe gathering afterwards.
January 2027
A winter fell run from Pen-y-Pass Youth Hostel, about 8 km with 181 m ascent, plus a separate junior short course for over 12s.
43.5 km winter mountain race around Yr Wyddfa on 23 January 2027 with whole, half, relay and pair options and mandatory winter kit.
February 2027
Fell race in Dolgarrog, North Wales on 27 Feb 2027, covering 6.7 km with 390 m ascent; pre-entry and on-the-day entry available, minimum age 16.
A point to point 21 km on Dydd Gŵyl Dewi across the Llŷn Peninsula from Cwt Tatws, Tudweiliog to Aberdaron via coastal paths and pilgrim routes.
March 2027
A 55k east to west crossing of Anglesey via three summits, fully marked and linear with 1595 m ascent, a 12 hour limit and a finish at Church Bay.
April 2027
An 8.6 mile multi terrain race around Trawsfynydd Lake on 4 April 2027, chip timed with proceeds to South Snowdonia Search and Rescue.
May 2027
A guided mountain run on 1 May 2027 crossing all 15 Welsh 3,000 ft peaks, roughly 30 miles with 4,000 m ascent, with guide, transport and food included.
Mountain trail event in Eryri, North Wales, offering races from 25 km to 163 km and part of the UTMB World Series.
June 2027
Mountain fell race in Eryri with long and short unmarked courses, mandatory kit, checkpoint tracking and a summit finish on Yr Wyddfa.
A point to point 42KM trail along the North Wales Pilgrims Way from Yr Eifl to Aberdaron, open to runners and walkers with support, checkpoints and a finisher medal.
Ultra Wales 50 is a 51 mile mountain and trail race in Southern Snowdonia on 19 June 2027 with 6 checkpoints, a 20 hour cut off and mandatory kit requirements.
July 2027