Trail Running Calendar Wales 2026-2027

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 single 8 km fell race near Llanferres with 366 m of ascent and partial route markings. Entry is by payment of £4 on the day and entrants must be over 16.

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..

Gyrn Gallop is a 10.6 km fell race from Rhiwlas Village near Llansilin with about 350 m of ascent on a partially marked course requiring some experience. Entry on the day is £7 and the minimum age is over 15.

A two person relay to the summit of Moel Famau and back over about 6.5 km with 350 m of climb. Night registration and a small on the night entry fee, with parking options that depend on ground conditions.

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 5.8 km fell race to the summit of Pen y Fan near Brecon with 588 m of ascent, part of the South Wales Series and the 2026 UKA Fell Running Championship; entries are limited and minimum age is over 16.

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 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.

A professionally guided, fully supported three day loop in Northern Snowdonia visiting 47 summits over just over 100 km with about 9,000 m of ascent. Small groups return each day to Capel Curig with a support vehicle and 1:6 guiding ratio.

A marked fell race in South Wales on 23 July 2026, covering 5.5 km with 315 m of climb. Entry on the day costs £3 and the minimum age is 16. Post race tea and cake are available; bring your own mug.