Trail Running Calendar Wales 2026-2027

We have found 180 Trailruns in Wales. Check below where and when you can find the races.

Inflatable obstacle course in Cardiff with lap-based distances from 2.5k to 15k, music zones, on-course water and a finisher's medal for every participant.

July 2027

A 300 mile ultra along the Cambrian Way from Conwy, UK, with about 74,000 ft of ascent and up to 7.5 days to complete a nonstop route across central Wales.

A 10 hour loop endurance challenge on Mynydd Troed with roughly 2.7 mile marked laps, about 1,000 ft ascent per lap, solo, pairs and four‑person team entries.

Trail races in Eryri (Snowdonia) National Park from 10K to a 57 km ultra, starting and finishing in Llanberis on July 10 and 11, 2027.

Multi-distance trail event on the Gower Peninsula with camping at Penrice Castle, GPS tracking, regular rest stops and medical support across 100km to 10-mile options.

Trail races on the private Merthyr Mawr Estate featuring dunes, river crossings and coastal sections over 12K, half marathon and marathon distances.

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.

A navigation-free challenge in Aberystwyth where participants are blindfolded, dropped at an undisclosed point and must find their way back over set distances.

Beacons Way 100km and 100 Mile are supported ultramarathons in the United Kingdom on 24 to 25 July 2027 with live online GPS tracking.

Mountain mountain running in Eryri's Ogwen Valley from Plas y Brenin, Capel Curig with 40K, 25K and 15K routes across high terrain.

An urban navigation challenge in Cardiff where participants are blindfolded, dropped at an undisclosed location and must return across 6, 10 or 15 miles without maps or GPS.

August 2027

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.

September 2027

Divona 100 in Rhayader, LD6, UK is scheduled for Sat 11 Sep 2027 and the event listing includes entry details, reviews, discounts, photos, course maps and results.

February 2028

A 27 mile point to point ultra from Rhyd-y-benwch to Mid Wales Arts Centre via Plynlimon and the Severn source, with two checkpoints and vegan and gluten free options.

A five day ultramarathon along the River Severn of roughly 220 miles with daily finisher medals, hotel accommodation, kit transfer and mandatory navigation and safety kit.

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.

July 2028

A 47 mile ultra from Barmouth to Llanidloes largely on National Cycle Route 8. It is Day 3 of the six day MTC CYMRUN, has a limited field and a minimum pace requirement, and includes tracking and a finisher medal.

A single day ultra of about 39.7 miles along National Cycle Route 8 from Glasbury to Merthyr Tydfil. Limited field, mandatory kit and 4.0 mph cut offs; finishers receive an Afanc medal and champions receive bespoke trophies.

A point to point 34.8 mile ultra from Merthyr Tydfil to Barry Island following National Cycle Route 8. It is day six of the MTC CYMRUN series and uses preset cut offs based on a 4 mph minimum average speed.

November 2028

A fell race at Llyn y Fan on 14 November 2028 covering 8.8 km with 610 m ascent, entry via Fabian4 and a 50 person limit. The revised route follows the Beacons Way to Llyn Y Fan Fach and returns over Picws Du and Fan Foel.

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