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Trail Running Calendar near Aberdyfi 2026-2027

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Explore the top trail runs near Aberdyfi for 2026-2027! We've gathered 24 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

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.
A 100 mile ultramarathon along the Cambrian Way from Rhayader, Wales, on 12 September 2026, with live GPS tracking, on-route support and a finisher medal.
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.
October 2026
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.
March 2027
Trail races at Nant Yr Arian in the Cambrian Mountains offering 25 km and 10 km routes, junior races, signed courses, and charity support.
A 16.1 km fell race near Llanuwchllyn with 945 m ascent, navigational sections, a junior race, and mandatory full kit.
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.
The HOWUM in Llanidloes on May 1, 2027 offers Full and Half event options; entries are currently marked sold out with a waitlist listed.
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
Mid Wales 200 2027 is a running event in Machynlleth UK on Wed 16 Jun 2027, with published entry information, course maps, photos, reviews and results.
A 51 miles trail and mountain race in Southern Snowdonia featuring Cadair Idris, six checkpoints, mandatory kit and live GPS tracking with a 20 hour cut off.
July 2027
A navigation-free challenge in Aberystwyth where participants are blindfolded, dropped at an undisclosed point and must find their way back over set distances.
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.
An ultrarunning event on the Wales Coast Path from Barmouth to Cardigan with 100 mile and 100 km options, live tracking, checkpoints and a 50 hour limit.
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.
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