Trail Running calendar near Trawsfynydd 2025-2026

We have found 140 Trailruns within 80 miles of Trawsfynydd. See below where and when you can find the races.

Take on Ultra Wales 50, a rugged 51 mile mountain trail through Southern Snowdonia from Cadair Idris to Coed y Brenin. Expect wild ridgelines, tidal estuary views and a true endurance challenge with limited places.

Challenge yourself on the Lake Vyrnwy 10k, a scenic multi terrain trail around the estate with climbs, fast downhills and stunning lake views. Open to runners 16 and over, finishers receive a medal and a lively finish arena with music.

Challenge yourself on the Lake Vyrnwy 10k, a scenic multi terrain trail around the estate with climbs, fast downhills and stunning lake views. Open to runners 16 and over, finishers receive a medal and a lively finish arena with music.

The Welsh 3000’s Ultra Run will take place in Llanberis on Saturday 27 June 2026. You can run 50 kilometers.

July 2026

The Turd is a fun running event held in the scenic valley of Ironbridge, Shropshire, hosted by How Hard Can It Be Events. Participants can choose from three distances: 8 miles, 16 miles, or a full marathon. The marathon involves completing..

Run the Severn from source to sea in a five day, approximately 220 mile multiday ultra along the Severn Way. Split into five stages with finisher medals that form a jigsaw, this challenging route rewards navigation skills and grit.

Run 27 miles from Plynlimon to Caersws in this scenic MTC Hafren Ultra, climbing to the source of the River Severn before following the riverside path back. Expect remote mountain trails, checkpoint support and stunning Welsh views.

Take on the MTC Severn Plod Ultra, a scenic 48 mile point to point ultramarathon from Mid Wales to Shrewsbury, weaving along the River Severn and Breidden Hills. Expect rugged trails, navigation challenges and great views.

Take on the 59 mile Severn Path Ultra from Shrewsbury to Worcester, a scenic point to point run through riverside towns and woodland. Now in its 10th year, finishers earn a bespoke medal and a true test of endurance.

Push your limits on Snowdon in a 24 hour trail endurance challenge, racing to summit and descend as many times as you can within a day. Solo and team relay formats, with a festival village, mountain support and UTMB indexed status.

Enjoy scenic trails through the Shropshire Hills at The Piece of Cake Trail Run in Carding Mill Valley, with 10K, half and full marathon options. Post run treats and a cake competition add a sweet finish to this countryside challenge.

Explore the stunning Black Mountains with distances from a half marathon to 50 miles across mostly trail terrain. Self navigation with GPX, trackers and full aid makes this a bold yet well supported trail challenge.

Experience Snowdonia's wild beauty with trails from 10k to UTMB indexed marathon and ultra, all starting in Llanberis. Festival vibes, live timing and a kids dash add fun while donations on the day support Llanberis Mountain Rescue.

UTMB Index

Take on the Welsh 3000 Challenge and traverse Snowdonia's 14 peaks in a spirited guided run or steady walk. Choose the 20 hour challenge or a relaxed 2 day option with expert mountain leaders, limited places and full support on July 18 2026..

Explore Northern Snowdonia over three fully guided days from Capel Curig, looping 47 summits across about 100 km with 9,000 m of ascent. Small groups, experienced leaders and on hill support deliver a bold, steady mountain running challenge..

Tackle a spectacular 100 km mountain ultramarathon along the Beacons Way, crossing Pen y Fan and the wild ridgelines of the Brecon Beacons. Limited to 250 runners, this rugged self navigation challenge rewards grit with epic views and serio..

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

Run a scenic route along a disused railway beside the River Severn between Ironbridge and Bridgnorth, enjoying riverside views and industrial heritage. The Railway Ultra returns in 2026 with distances from 9 miles to 37 miles and Winter and..

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.