Trail Running calendar near Ystumtuen 2025-2026

We have found 199 Trailruns within 80 miles of Ystumtuen. See below where and when you can find the races.

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.

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.

The Relentless is a looped ultra near Bridgend on 18 September 2026 with 50 mile and 100 mile options over repeated 10 mile laps and big climbing. Limited to 25 runners per distance, the race features a well stocked hub for aid and crew.

Brutal Extreme Triathlons in Llanberis, North Wales, combine a Llyn Padarn lake swim, a 28 mile bike loop over Pen y Pass and a mountain finish on Yr Wyddfa via the Llanberis Path. Solo and relay entries welcome for adventurous athletes.

Join the 361° Abersoch Half Marathon along the scenic Llyn Peninsula, finishing with a memorable final kilometre on Abersoch Beach. Enjoy a festival finish with a medal, tech tee and lively music as part of the Abersoch Triple Crown.

Take on a 6.7 km loop at Wyre Forest with Lone Wolf Birmingham, running one lap each hour and as many laps as you like up to 24 hours. Wooden trophies and medals await finishers, with a cafe and relaxed event atmosphere.

Take on Trails & Tarmac Backyard Ultra in Crickhowell, a scenic 4.2 mile loop split between trail and tarmac. Run an hourly loop until you are the last runner standing, with medals awarded from 32 miles.

Race scenic trails at Margam Country Park with castle views on a 5K or 10K loop. Fully marked and marshalled with chip timing, water stations and a finisher medal, ideal for new and experienced runners.

Run through ancient woodland in the Forest of Dean at the Autumn Half Marathon starting and finishing at Speech House. This scenic 13 mile trail on well marked tracks supports local charities and awards a medal to every finisher.

October 2026

A challenging 10 km uphill only race from Ruthin to the Jubilee Tower on Moel Famau, finishing above 550 m with sweeping hilltop views. Open to walkers and hill runners, it pairs a tough ascent with a memorable mountain finish.

Take on the Loop 32M Ultra, a 32 mile trail through remote Cambrian Mountains with lakeside views and sweeping ridgelines. Based at Camp Plas on 10 October 2026 and limited to 100 runners, this scenic ultra pairs rugged trails with campsite..

Twin Peaks & Ras Consti in Aberystwyth is a scenic coastal race mixing paths, roads and rocky climbs. Seniors run 11.7 km with climbs of Pen Dinas and Constitution Hill while juniors race shorter routes finishing on the promenade.

Tackle the Brenig Way 50 km trail, a scenic endurance run from Corwen to the dam at Llyn Brenig through forests, riverside paths and technical climbs. Electronically timed with GPS trackers and aid stations, it is a rugged yet well supporte..

Blaze the Biblins is a lively 6 miles trail race through ancient woodland, riverside paths and historic ironworks, featuring climbs and technical single track. Enjoy prizes, a memento and post race tea and cake; entries are limited.

Creepy Crawl on 21 October 2026 at Pengethley Manor offers 5k to ultra distances on a challenging off road loop through hills and two vineyards. Ideal for runners and walkers craving a scenic, gritty test of endurance.

November 2026

Take on NIGHT DESCENT 32 Ultra, an overnight staged 32 miles around Bridgend split into four progressive stages. With aid stations, gear drop and a buzzing base camp, this event blends challenge and camaraderie under headlamp light.

December 2026

Take on the Nightmare Before Xmas Trail ½ Marathon on 19 December 2026 at Bridgend for a festive, muddy trail challenge with technical climbs and scenic road sections. Limited to 70 places, with a bespoke medal, mince pies and prizes for be..

July 2027

The Birmingham Black Country Half Marathon is a running event held in the Black Country region near Birmingham. Organized by StuWeb Events Ltd., the race covers the half marathon distance of 13.1 miles. While specific details about the cour..