Llanfairpwllgwyngyll
Trail Running Calendar near Llanfairpwllgwyngyll 2026-2027
Explore the top trail runs near Llanfairpwllgwyngyll for 2026-2027! We've gathered 27 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails with limited ascent and regular regrouping stops.
November 2026
Trail races at Newborough Forest and Llanddwyn Island, offering 10k and half marathon distances, chip timing, on course support and bilingual services.
A long-distance trail event on the Snowdonia Slate Trail offering 147 km and 80 km routes that visit historic slate landscapes with on-route aid stations, tracking and strict mandatory kit requirements.
A guided 55km route on Anglesey taking in three of the island's highest tops, with over 2000 m ascent, checkpoint support and a wooden finishers medal.
A 16.1 km fell race near Capelulo with 594 m of climbing, partial route marking and navigational requirements; online entry only, minimum age over 18.
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
February 2027
Point to point half marathon across the Llŷn Peninsula from Cwt Tatws, Tudweiliog to Aberdaron on 28 February 2027, chip timed with aid stations and medical cover.
April 2027
An 8.6 mile multi terrain race around Trawsfynydd Lake on mixed tarmac and trails with 175 m ascent, chip timed and marshalled. Proceeds support South Snowdonia Search and Rescue; open to athletes aged 17 and over.
May 2027
Trail races around Llanberis, North Wales, rebranded as Eryri by UTMB in May 2027 and included in the UTMB World Series.
June 2027
A long-standing mountain race in Eryri that runs from the coast to the summit of Yr Wyddfa, offering long and short courses over rocky and grassy terrain.
A point to point 42KM trail marathon across the Llŷn Peninsula from Yr Eifl to Aberdaron, open to runners and walkers with support and a finisher medal.
July 2027
Trail races in Eryri from 10K to ultra start and finish in Llanberis, with mountain routes, on course support, an event village and a kids fun run supporting local rescue.