Trail Running Calendar Wales 2026-2027

We have found 171 Trailruns in Wales. Check below where and when you can find the races.

A 48 mile point to point ultra from Mid Wales Art Centre to Shrewsbury following the River Severn, with four checkpoints, vegan and gluten free food options, required 4.0 mph minimum pace and a bespoke finisher medal.

Nant Gain is a fell race near Cilcain covering 7.6 km with 370 m of ascent, starting and finishing at the Cilcain Waterworks and registering at The White Horse Pub. Entry is £3 on the night and minimum age is over 16.

Experience a self navigation trail challenge through the Brecon Beacons National Park with distances ranging from 13 to 50 miles. Enjoy full support and mountain landmarks on a course featuring over 11000 feet of elevation.

A 24 hours ultra trail event from Llanberis that challenges solo runners or relay teams to ascend Yr Wyddfa as many times as possible. UTMB indexed distances and on course support are provided, with an official charity partner.

A timed, multi lap run at Parc Taf Bargoed using a 5.3 km out and back lap. Distances range from 5 km to ultra with a seven hour limit and a medal or no medal entry option.

The Pen y Fan Race on 11 July 2026 is a counter in the British Fell and Hill Championships, organised by Brecon Fans Races and sponsored by Pete Bland Sports. A guided Fan y Big Horseshoe jog follows; prizes include age-category and team aw..

Trail races in Llanberis, Eryri Snowdonia offering 10K, half marathon, marathon and a 57 km ultra, with routes via Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass and Yr Wyddfa and chip timing.

A fell race at Plas Dolben near Llangynhafal covering about 8 km with 457 m of climb on a partially marked course. There is a 50 minute cut-off at the top gate, entry on the day is £5 and minimum age is over 16.

A multi-distance trail event on the Gower Peninsula with options from 10 km up to 100 km and a figure of eight 100 km route. Basecamp at Penrice Castle offers camping, regular rest stops, GPS tracking, catering and medical support.

Trail races on the private Merthyr Mawr Estate within Merthyr Mawr Warren National Nature Reserve, featuring a 12K course and a new 40K route that extends along the Glamorgan Heritage Coast.

A guided traverse of the 14 Welsh 3000 foot peaks covering about 50 km and roughly 4,000 m of ascent, offered as a continuous 20 hour challenge or over two to three days with low ratio guiding and on-route support.

Three coastal trail races follow the Wales Coast Path to a shared finish at Cardiff Bay, offering 100 miles, 50 miles and 30 miles routes with marked navigation, checkpoints and drop bag support.

A mountain running event on 18 July 2026 covering 15.35 km with 994 m ascent. Entrants must be 18 or older and have mountain running experience.

A Trail 10k at Llys y Fran Lake with varied terrain, lakeside and woodland sections, chip timing and a finisher's medal. The race is the second event in the 2026 RTT Series and includes marked routes and water stations.

A fully guided three day loop through northern Snowdonia covering just over 100 km, about 9,000 m of ascent and 47 summits. Small groups return to Capel Curig each night with daily support and refuelling.

Carn Ingli Killer is a 5.54 km fell race with 315 m climb on a partially marked course requiring navigational skills and experience; registration is opposite Long Street car park and entry is £3 on the night.

A 100 km race on the Beacons Way through the Brecon Beacons with 3,178 m ascent. Self-navigation with map and compass is mandatory and entrants must meet qualifying experience and kit requirements.

A 100 mile self navigation ultramarathon across the Brecon Beacons with 6143 m ascent, 10 staffed checkpoints, mandatory map and compass skills, GPS tracking and UTMB and ITRA points.

A multi-distance trail running event in the Brecon Beacons near Abergavenny on 25–26 July 2026, offering routes from 12 km to 110 km with marked courses, on-course support, camping and UTMB Index classifications.

A Britney themed 7 hour Time Challenge at Dare Valley Country Park offering flexible distances from 3 km up to 50 km, themed medals and distance pins, goody bags and aid stations. The course runs on well maintained public footpaths with fre..

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