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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 23 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

September 2026
A multi day 286 km mountain race across Wales with solo and team entries, five indoor checkpoints and a 108 hours time limit.
A fully waymarked, supported Sea to Summit ultramarathon from Caernarfon Castle to Yr Wyddfa covering 29 miles and 5600 ft ascent.
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.
Experience a 60 km winter ultra loop on the Llŷn Peninsula featuring coastal views, the historic Mariner's Trail, and the scenic peaks of Yr Eifl with solo and relay options.
January 2027
A winter race around Yr Wyddfa on 23 January 2027 covering 43.5 km with 2327 m ascent, offering full, half, relay and pair 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.
SheUltra is a 50 km ultramarathon in Pwllheli on 17 April 2027 with a strict no crew policy, mandatory kit requirements, and specific refund and insurance rules.
May 2027
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.
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.
Point to point trail marathon across the Llŷn Peninsula to Aberdaron on 12 June 2027, open to runners and walkers with support, checkpoints and a finisher medal.
A 51 miles trail and mountain race in Southern Snowdonia featuring Cadair Idris, six checkpoints, mandatory kit and live GPS tracking with a 20 hour cut off.
July 2027
A fully supported 10K trail in Llanberis on 10 Jul 2027 through Eryri with an event village, chip timing and a family 500m kids fun run.
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.
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.
An ultrarunning event on the Wales Coast Path from Barmouth to Cardigan with 100 mile and 100 km options, live tracking, checkpoints and a 50 hour limit.
Coastal point to point runs from Aberdovey offering a 42 mile ultra to Harlech or a marathon to Barmouth, with four checkpoint feeds and a 12 hour time limit.
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