Trail Running calendar near Hafren Forest 2025-2026

We have found 219 Trailruns within 80 miles of Hafren Forest. See below where and when you can find the races.

Tackle 100 km across the Brecon Beacons on an epic route taking in Pen y Fan and the Carmarthen Fans with roughly 3178 m of ascent. A rugged self navigation ultra with just 250 places and a 24 hour cut off.

Ultra X Wales takes runners into the wild Brecon Beacons and Black Mountains for a scenic multi day trail event on 25 to 26 July 2026. Distances from 12 km to 110 km suit all endurance levels and select races carry UTMB Index status.

UTMB Index

Take on the Pen Y Fan Challenge, a scenic trail race up to the summit with 5 mile and 13 mile options. Enjoy chip timing, a finisher medal and buff, marshalled routes and stunning South Wales views.

August 2026

Join EDDUM 2026, a scenic 50 mile trail around the Epynt Way encircling the Sennybridge Training Area in Wales. With no time limits, five manned checkpoints and full crew support, it is a welcoming test of endurance.

Take in river views and industrial heritage on a scenic run along a disused railway from Ironbridge to Bridgnorth. Choose from distances from 9 to 37 miles and join the winter race on 21 February 2026 or the summer race on 1 August 2026.

SkyRun Eryri in Rhyd Ddu, Snowdonia on 15 August 2026 offers four mountain races from a 16 km trail to a 55 km ultra across rugged, technical terrain and stunning peaks. Staffed aid points and bold climbs await adventurous trail runners.

Moel Famau 24 is a timed endurance event in the Clwydian Hills offering 12 hour or 24 hour challenges on a roughly 7 km loop with about 500 m ascent per lap. Solo runners, teams and walkers welcome with on site camping and GPS timing.

Take on the Beast of Llangattock, a scenic trail on 22 August 2026 with distances from 10 km to a 32 mile ultra across the Llangattock Escarpment and Clydach Gorge. Fully marked course with checkpoints, food options and medical cover.

Tackle the Black Cattle Ultra in South Wales, a rugged point to point adventure finishing near Castell Coch. Choose 33 mile or 44 mile routes through mountains, wooded vales and villages, organised by the Ridge Runners community.

Run the iconic 130 mile Leeds and Liverpool Canal race from Liverpool to Leeds, non stop along towpaths and historic locks. Choose supported or unsupported entry and aim to finish within the 40 hour limit on 29 August 2026.

Join the Plum 10K on 30 August 2026 in Pershore, a friendly community race hosted by Pershore Plum Plodders. Enjoy a welcoming vibe and strong club support from one of Worcestershire's established running clubs.

September 2026

Take on the stunning coastal challenge of the Ring O' Fire Race Series on Anglesey, with the epic Ring O' Fire 130, a new relay format and the Firelighter 50. Entries are open and race services cover maps, checkpoints and bag transfer for a..

Take on the RIDUM 30 mile trail ultra around the ridge tops near Cardiff, with about 4,252 feet of climbing and sweeping south east Wales views. Enjoy fully stocked checkpoints, race crew support and a finisher medal.

Tackle the epic 102 mile Yr Wyddfa Snowdon Ultra, a self navigation race through Snowdonia on 5 September 2026 with a 42 hour limit. Mountain experience and solid map skills are required for this tough, remote challenge.

Take on the Yr Wyddfa Snowdon Ultra 50, a rugged 45 mile mountain ultramarathon across epic Snowdonia scenery to the Snowdon summit. Based in Betws y Coed on 5 September 2026, the race offers live tracking, checkpoint support and finisher m..

Take on scenic Shropshire Hills trails with half and full marathon options, starting and finishing at Carding Mill Valley by the National Trust tea rooms. The full is a single lap route with aid stations on course and a finisher medal.

Take on the Joust Races 2026, a friendly 24 hour multi lap running challenge at Top Barn Camping with a well marked, mostly flat loop and a lively campsite atmosphere. Enter solo or with a team for a memorable endurance weekend.

Enjoy a scenic riverside run in Ross on Wye with 5K and 10K chip timed races plus a 500 m fun run for kids. Flat multi terrain routes may include grass and mud, every finisher gets a medal and prizes await top finishers.

Run the spine of Wales in the legendary Dragon’s Back Race, a six day, 380 km ultra through rugged mountain terrain from Conwy Castle to Cardiff Castle. Choose the full route or shorter stage options to suit your adventure spirit.

UTMB Index

Conquer the Welsh 3000s in Snowdonia on a guided mountain run traversing all 15 peaks over 3,000 ft, including Crib Goch. Around 30 miles with 4,000 m ascent, this epic daytrip blends big mountain scenery with expert guides and support.