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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.

August 2026
A hill race near Porthmadog covering 7.2 km with 564 m of ascent, partially marked and requiring navigational skills and experience. Entry is day only for £5 and teams may enter free.
September 2026
Trail running event in Snowdonia from Barmouth to Cadair Idris with multiple marked routes, chip timing, photos and an event village with refreshments.
Guided mountain run across the 15 Welsh 3,000 ft peaks in Snowdonia, about 50 km with 4,000 m ascent, includes transport, guide and support; this is a non-race event.
An 8 km mountain race over the three peaks of the Eifl near Pwllheli with about 490 m of ascent. Main race for over 16s with entry on the day £10; junior races are held with a £3 entry.
Coastal trail races in Abersoch, North Wales offering 20K and 10K routes across tracks, trails and beach with chip timing, drink stations and post-race music and facilities.
Lake to mountain triathlons in Llanberis with swim laps in Llyn Padarn, 28 mile bike laps and a mountain ascent of Yr Wyddfa.
Fell race from Llanberis across major Eryri summits including Snowdon with full (28 km, 2600 m) and half (14 km, 1350 m) course options.
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 29 mile sea to summit ultramarathon from Caernarfon Castle to Rhyd Ddu with full support, pit stops and a Sea to Summit medal.
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
6 mile out and back fell race from Llanfachreth village hall, 579 m ascent to the summit, opening the Meirionnydd Winter Series and listed in the WFRA North Wales Series Final.
A 60 km loop on the Llŷn Peninsula starting and finishing in Llithfaen, with marked route, aid stations, live timing and a 12 hour cut off.
January 2027
A winter mountain race around Yr Wyddfa on 23 January 2027, 43.5 km with 2327 m ascent; whole, half, relay and pair options with required winter kit.
February 2027
A point-to-point half marathon across the Llŷn Peninsula from Cwt Tatws to Aberdaron on 28 February 2027, chip timed with aid stations and optional coach transfer and T-shirt.
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 women focused event in Pwllheli on 17 April 2027 with a strict no-crew policy, minimum age 18, limited refund rules, and recommended third-party insurance.
May 2027
A 115 km multistage race from Abersoch beach to Snowdon and back, combining a 1.5 km sea swim, two 49.5 km bike legs, a mountain ascent and a 1 km beach finish.
June 2027
A long-standing mountain race in Eryri, North Wales, tracing a bee-line route from the coast to the summit of Yr Wyddfa on Saturday 5 June 2027. Long and short courses cross rocky summits, technical ridges and grassy slopes.
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