Trail Running Calendar Wales 2026-2027

We have found 125 Trailruns in Wales. Check below where and when you can find the races.

Tackle the Kymin Dash, a 7 mile road and trail race from Monmouth that climbs to the Round House for panoramic views before descending through fields and bluebell filled woodland. Enjoy a lively finish at Monmouth School Sports Club with Ki..

Wild Horse South Wales 200 is a 200-mile trail ultramarathon through South Wales. The route links historic paths like Offa's Dyke and the Beacons Way, finishing at Worm's Head on the coast. This point-to-point adventure offers a multi-day c..

The MTC Gelert is a 47-mile ultramarathon along Wales's scenic National Cycle Route 8, from Barmouth to Llanidloes. It is also the third day of the CYMRUN multi-day challenge. The event has a strict 4 mph pace requirement and provides a bes..

The MTC Afanc is a 40-mile ultra marathon along National Cycle Route 8 in Wales. It is also the fifth stage of the challenging six-day CYMRUN event. Runners must be prepared for a cup-free race with strict pace requirements and a full manda..

Experience the rugged beauty of Brecon Beacons National Park with a choice of 10, 20, or 40 mile trail races. This self supported style event features forest trails, technical climbs, and stunning reservoir views.

Experience the toughest mountain event in the LDWA calendar with three distances exploring the Black Mountains. Discover the Blaenavon World Heritage landscape and the Monmouthshire and Brecon canal on this scenic Welsh journey.

This scenic multi terrain 10k run takes place on a two lap course within Alyn Waters Country Park. All finishers receive a medal, and the event supports Nightingale House Hospice. A family friendly 1k fun run is also available.

The Route The MTC Y Draig Goch is a 34.8-mile (approximately 35-mile) ultra run. The route starts at the Travelodge in Merthyr Tydfil and follows National Cycle Route 8 all the way to Cardiff. The course then continues to the finish line at..

Experience a scenic 8.6 mile multi terrain race circling Trawsfynydd lake in the heart of Eryri National Park. This chip timed event supports the South Snowdonia Search and Rescue Team and includes a race for kids.

Join a guided 14 km trail run in peaceful Penllyn Forest on 19 April 2026, exploring quiet tracks between Bala and Lake Vyrnwy. Expect a led run with scenic stops and friendly company in person.

Run along the wild coastal paths of Pembrokeshire National Park in this trail event. Choose from 10K, half marathon, marathon, or ultra distances on 25 April 2026. Earn points for the season leaderboard and join the afterparty in Little Hav..

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Follow the scenic North Wales Path along the coastline from Prestatyn. Discover landmarks like Conwy Castle on these 50km and 100km routes featuring a mix of flat coastal paths and inland hills.

Experience a peaceful 40 mile journey along the historic Monmouthshire and Brecon Canal. This supported point to point run takes you through quiet countryside and the heart of the Brecon Beacons.

Enjoy a flexible 7 hour time challenge at Dare Valley Country Park with distances ranging from 3km to ultra marathon. Run or walk through scenic countryside on well maintained paths and celebrate with a themed medal and ice cream.

May 2026

Experience an epic mountain adventure with circular routes through the heart of the Bannau Brycheiniog National Park. Choose between 100km, 75km, or marathon distances starting and finishing in the historic town of Brecon.

UTMB Index

A guided ultra run across the 15 Welsh 3000ft peaks. Cover 30 miles and 4000m of ascent through Snowdonia's key mountain ranges in a single, supported push.

Journey into the Heart of Wales on a 30-mile circular trail run. The route connects four scenic trails, passing the Clywedog reservoir and the source of the River Severn. Fully stocked aid stations and a supportive crew await in Llanidloes.

Explore the Moelwyns leg of the Paddy Buckley Round on this 35km guided mountain run from Capel Curig to Nantmoor. Gain expert route knowledge and technical advice from qualified Mountain Leaders while tackling 2,500m of elevation.

The Sirhowy Challenge is a 10 mile multi-terrain race featuring a 1,500ft climb to Machen Trig Point. Participants enjoy a scenic loop through the Sirhowy valley with awards and a finishers social at the local club.

The Devauden Races is an annual off-road charity event for the Severn Area Rescue Association. Runners and families can choose from 10k, 5k, 2.4k, or a 60m junior dash on the scenic trails of Chepstow Park Woods. The event starts and finish..