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Trail Running Calendar near Pwllheli 2026-2027

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Explore the top trail runs near Pwllheli for 2026-2027! We've gathered 31 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

September 2026
Coastal trail races in Abersoch on the Llŷn Peninsula offering 2K, 10K and 20K routes that start and finish on the beach with medals, drink stations and chip timing.
Multi-lap triathlon in Llanberis with lake swims in Llyn Padarn, multiple 28 mile bike laps and a mountain run up and down Yr Wyddfa.
AL graded fell race from Llanberis with full 28 km 2600 m and half 14 km 1350 m routes over Elidir Fawr, Glyder Fawr and Snowdon.
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 over 5600 ft of ascent on 26 September 2026.
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
Trail races at Newborough Forest and Llanddwyn Island, offering 10k and half marathon distances, chip timing, on course support and bilingual services.
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.
A Snowdonia trail event in November 2026 with a 147 km and an 80 km route, significant elevation gain, aid stations, drop bags and set cut off times.
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
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 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.
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.
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