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Trail Running Calendar near Trawsfynydd 2026-2027

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Explore the top trail runs near Trawsfynydd for 2026-2027! We've gathered 42 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

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.
A multi-distance trail running event in Llanberis, North Wales, renamed Eryri by UTMB for 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.
Mountain races in Eryri's Ogwen Valley offering 40K, 25K and 15K routes from Plas y Brenin with marked trails, on course support and chip timing.
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.
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.
A 12 or 24 hour hill and trail event on Moel Famau using a 7.2 km loop with 500 m ascent per lap, open to solo runners, walkers and teams with on site camping and support.
A multi-distance running event in Tywyn, Mid-Wales on 21 August 2027 with races from 3.5 to 14 miles and a toddlers option.
September 2027
A 45-mile mountain ultramarathon across Snowdonia, following high trails over Tryfan and Yr Wyddfa with five checkpoints and required mountain kit.
A six day mountain race across the Dragon's Back of Wales from Conwy to Cardiff with full and two day route options and charity entry choices.
Coastal trail races in Abersoch offering 20K, 10K and short beach events with chip timing, marked routes, refreshments and post-race activities on Abersoch Beach.
A continuous 295 km mountain race across Wales, with solo and team options, 13,700 m ascent and a five day time limit.
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