Trail Running Calendar Wales 2026-2027

We have found 149 Trailruns in Wales. Check below where and when you can find the races.

A roughly 10 km trail race around the Lake Vyrnwy Estate in Llanwddyn on 21 June 2026, featuring mixed terrain, water stations, a finishers medal and awards for the top three men and women.

A seven hour Time Challenge at Dare Valley Country Park offering flexible lap distances and themed finisher medals featuring familiar characters. The event includes aid stations, goody bags with vegan options, free parking and distance achi..

Experience an exciting inflatable obstacle course in Cardiff with 5k and 10k options. Join as an individual or part of a group for a unique running event supporting Hospice of the Valleys.

July 2026

An approximately four mile multi terrain race on 2 July 2026, starting and finishing at Care & Repair on Rowley’s Drive in Shotton. Entry is £10 or £8 for affiliated club members and prizes are given across all age categories.

Experience a 30 mile ultra marathon through the Gateway to Wales featuring 5,446 feet of elevation. Run over the iconic Sugar Loaf mountain and enjoy a supported journey with no time limits on this primarily trail course.

The CWM Elan Back Yard Ultra will take place in Rhayader on Saturday 4 July 2026. You can run 7 kilometers.

Chirk Castle Spring Relay is a relay running event in Wrexham, United Kingdom on 5 July 2026, organized by Oswestry Olympians with online registration noted.

A 27 mile point to point ultramarathon over Plynlimon and along the Severn river path with two staffed checkpoints offering vegan and gluten free food options and mandatory navigation and kit requirements.

A five day multiday ultra along the Severn Way covering about 220 miles with five individual daily races and interlocking finisher medals. Organiser records show a finisher rate of around 26 percent in recent years.

A 48 mile point-to-point ultra from Mid Wales Art Centre to Shrewsbury following the River Severn and canal walk. There are four checkpoints, a mandatory 4.0 mph minimum pace, GPX navigation is recommended, and all finishers receive a bespo..

Self-navigated trail event on 11 July 2026 in the Black Mountains offering 13 to 50 mile routes with GPX tracks, checkpoints, chip timing, medical cover and mandatory kit requirements.

Multi-distance trail event in Llanberis on 11–12 July 2026 featuring 10K, half, marathon and 57 km ultra routes that pass Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass and Yr Wyddfa, plus an event village and chip timing.

A 24-hour UTMB-indexed trail on Yr Wyddfa (Snowdon) from Llanberis where individuals or relay teams try to complete as many ascents as possible. Distances include 50k, 100k and 100 mile options and the event supports charity fundraising.

Join the Butterfly Run at Parc Taf Bargoed with rock up and run starts across distances from 5 km to ultra on a scenic tarmac course with a short riverside trail. Staggered starts, aid stations and an optional supersized spinning medal awai..

A multi-distance trek and trail event on the Gower Peninsula based at Penrice Castle, offering camping, GPS-tracked routes, covered rest stops, catering, medical support, and finisher rewards across several distances.

Trail races on the private Merthyr Mawr Estate on the South Wales coast, with a 12K and a 40K route plus family races. Courses cover dunes, hills, valleys, a river crossing and sections of the Glamorgan Heritage Coast.

A guided mountain run or walk across Snowdonia to cover all 14 officially recognised 3000 ft peaks, offered as a 20 hour challenge or a two day option with low ratio qualified guides and on route support.

Three coastal ultramarathons follow sections of the Wales Coast Path and finish at the Norwegian Church in Cardiff Bay. Distances of 30, 50 and 100 miles feature marked routes, checkpoints and GPS support.

A 12-hour, multi-loop running event on 18 July 2026 at Bridgend Miniature Railway featuring three 10 mile routes, mixed terrain, a 30-runner limit and results based on most loops completed.

A trail 10 km at Llys Y Fran on 19 July 2026 set around lakeside and woodland scenery as part of the RTT Series. The event includes chip timing, water stations and a fully marshalled route.

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