Barmouth
Trail Running Calendar near Barmouth 2026-2027
Explore the top trail runs near Barmouth for 2026-2027! We've gathered 39 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A very short but steep mountain race on Tryfan near Bethesda, with exposed rocky terrain and expert navigation required. Minimum age over 18 and a £1 entry fee supports Ogwen Mountain Rescue.
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
A 102 mile self navigation ultramarathon across Snowdonia Eryri with 5,172 m of ascent, 11 checkpoints and a 42 hour cut off. Entrants need prior 50 mile ultramarathon experience, mandatory mountain kit and GPS tracking.
A 45 mile mountain ultramarathon around Snowdonia based at Betws y Coed with ridge trails, five staffed checkpoints and live GPS tracking. Entry for 2026 is full and participants must meet qualifying criteria and carry mandatory mountain kit.
Guided run over the 15 Welsh 3,000 ft peaks in Snowdonia, covering about 30 miles and 4,000 m ascent with support and catering.
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 on the Llyn Peninsula offering 20K and 10K routes plus beach runs, chip timing, drink stations and a beach finish with music and prizes.
Multi-distance triathlons around Llyn Padarn with a mountain section on Snowdon. Solo and team entries available, with mandatory support crew for double and triple distances and compulsory safety kit for all athletes.
Ras Pedol Peris is an AL Welsh fell race in Eryri near Llanberis with full 28 km and half 14 km routes over several mountain summits on 19 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.
October 2026
A 32 mile trail through the Cambrian Mountains from Camp Plas near Dolanog, capped at 100 runners and fully marked with checkpoints and a 14 hour cut off. The weekend includes on-site camping, catering, live music and lakeside activities.
The Twin Peaks Race in Aberystwyth challenges runners with ascents of both Pen Dinas and Constitution Hill on an 11.7 km route. A shorter junior race on the promenade is also available. The event features varied terrain and finishes with a fast tarma..
Bike and run events on Harlech Beach with sand-surface courses, relay options, and distances from short runs to combined bike-run races on 18 October 2026.
A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails with limited ascent and regular regrouping stops.
November 2026
Out-and-back 10.3 km fell race from Llanfachreth with 562 m ascent, unmarked upper section and mandatory kit; includes a 3 km junior race and team entries.
A winter coast to coast ultra on the Llŷn Peninsula on 7 November 2026, with solo 37.5 mile and team of four entry options, organised by Pen Llŷn Ultras and offering age 16 plus eligibility and several entry extras.