Holyhead
Trail Running Calendar near Holyhead 2026-2027
Explore the top trail runs near Holyhead for 2026-2027! We've gathered 16 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
September 2026
Coastal ultra events on Anglesey offering a 130-mile clockwise island circumnavigation and a separate ~47-mile coastal route along the Isle of Anglesey Coastal Path.
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.
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.
A fully waymarked, supported sea to summit ultramarathon from Caernarfon Castle to Bron y Feds Uchaf covering 29 miles and 5600 ft of ascent.
November 2026
Trail running in Newborough Forest and Llanddwyn Island with 10k and half marathon options, chip timing and on course support.
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.
Held in Porth Penrhyn, Bangor on 14-15 November 2026, Slate Trail Ultra offers two trail races of 147 km and 80 km along the Snowdonia Slate Trail with substantial elevation gain and organised aid stations.
A guided 55km route on Anglesey taking in three of the island's highest tops, with over 2000 m ascent, checkpoint support and a wooden finishers medal.
January 2027
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.
July 2027
Multi-distance trail running in Eryri from Llanberis, with 10K, half, marathon and 58 km ultra plus an event village, on-course support and bilingual services.
A 15.35 km mountain race on 17 July 2027 with 994 m of ascent; entrants must be over 18 and have mountain running experience.