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Trail Running Calendar near Abersoch 2026-2027

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Explore the top trail runs near Abersoch for 2026-2027! We've gathered 25 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

October 2026
Cadair X is a 13.1 mile mountain half marathon with 1165 m of ascent that climbs to the 893 m summit of Cadair Idris. The marked route crosses woodland, glacial lakes and technical summit terrain and a GPX file is available.
A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails with limited ascent and regular regrouping stops.
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.
A 60 km loop on the Llŷn Peninsula starting and finishing at Tafarn y Fic in Llithfaen, with four vegan friendly aid stations, marked course and a 12 hour cut off.
January 2027
A winter mountain race around Yr Wyddfa covering 43.5 km and 2327 m ascent with whole, half, relay and pair entry options.
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.
A 50 km all female ultra on the Llyn Peninsula focused on fundraising and support for women’s cancer, with a fully marked route and on-course services.
May 2027
Guided mountain run across the 15 Welsh 3,000 ft peaks in Snowdonia, about 30 miles and 4,000 m of ascent, with transport, guide and support included.
A multi-discipline race from Abersoch beach to Snowdon and back, covering 115 km with a sea swim, road cycling and a mountain ascent via the Watkin Path.
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.
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
A 50 km point to point ultra across the Llŷn Peninsula on 3 July 2027, with a 25 km trail option; entries include checkpoints, refreshments and a finisher medal.
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.
A 15.35 km mountain race on 17 July 2027 with 994 m of ascent; entrants must be over 18 and have mountain running experience.
Guided full day run across the 15 Welsh 3,000 ft peaks in Snowdonia, about 30 miles and 4,000 m ascent, including Crib Goch.
August 2027
A backyard ultra on the Llŷn Peninsula on 6-7 August 2027 where runners repeat a set loop each hour; entry includes support, refreshments, a medal and free camping.
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