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Trail Running Calendar near Barmouth 2026-2027

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Explore the top trail runs near Barmouth for 2026-2027! We've gathered 36 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
A self navigation 102 mile ultramarathon across Snowdonia with live GPS tracking, 11 checkpoints, mandatory mountain kit and a 42 hour cut off.
Point to point trail races from Barmouth beach into Snowdonia, offering 12K, 25K and 54K options with aid stations, chip timing and a cupless policy.
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.
October 2026
A capped 32 mile trail in the Cambrian Mountains based at Camp Plas, fully marked with on-route support, checkpoints, camping and onsite weekend facilities.
Experience a multi terrain race over Pen Dinas and Constitution Hill starting from the Aberystwyth Promenade. With distances for both seniors and juniors, runners face climbs on gravel, grass, and rocky paths with coastal views.
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.
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
Winter mountain race around Yr Wyddfa on 23/01/2027 with full 43.5 km and half 24 km options plus relay and pair formats.
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.
March 2027
Trail races at Nant Yr Arian on 20 March 2027 with 25 km Half Ultra, 10 km and multiple junior distances on waymarked mountain routes.
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