Trail Running calendar near Merthyr Tydfil 2026-2027

We have found 273 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

Multi-distance trail event in Dalwood, Axminster on 15 February 2026 with 10 mile, 5 km and 3 km routes across muddy, hilly countryside. Village Hall is race HQ with parking, toilets and on-site medical support.

Run a flat, traffic free 10k on the National Cycle Network from Calne to Stanley near Chippenham, chip timed and well marshalled on an out and back multi terrain course. A 1 mile fun run for under 17s and limited entries make this a friendl..

Run Brimscombe's canal towpath at the Back to the 80s timed event, choosing any mix of 2.62 mile laps to make 5k to ultra distances. Enjoy a relaxed one hour start window, seven hour limit and a bespoke finisher medal to mark your effort.

The Dartmoor Winter Traverse offers a 50 km or 30 km winter journey across remote Dartmoor. Open to runners and walkers, it features unmarked moorland routes with support from qualified Mountain Leaders. Navigate from south to north or from..

A multi distance running event along the River Severn between Ironbridge and Bridgnorth on 21 February 2026. Distances range from 9 miles to 37 miles with 9.4 mile laps and aid stations every 4.7 miles.

A set of city-centre races in Bath that run through two long lit tunnels under the city, with distances from Colourburst fun runs up to a 50 km ultra. Brickfields Park is the hub and the event supports Sustrans with a donation per runner.

Tackle a 9.5 km off-road challenge with two laps around the scenic tracks of Kinver Edge. All finishers get goodies and a medal, with prizes for the top three in each gender. Registration is limited to 100 runners, starting at 09:30.

Take on the Sorbrook Slog on 22 February 2026, a lively 7 mile multi terrain race through footpaths, fields and gullies around Sorbrook and Sluvad in Cwmbran. Enjoy marshals on course, post race tea and cake and a finishers goodie bag.

The Terminator 2026 is a tough but rewarding 12 mile trail race around Pewsey, Wiltshire, mostly off road with muddy climbs and high point views. All finishers receive a unique T shirt and race village treats await.

Join a weekend fell and trail running retreat in the Black Mountains, Wales from 27 Feb to 1 Mar 2026 at Dinas Castle Inn. Guided runs on the Dragons Back ridge, skills coaching and bunkhouse accommodation make for an inspiring weekend for..

The Castle 2 Castle #Ultra is a 32-mile running challenge connecting Welshpool to Chirk. Starting at Powis Estate, the route mixes flat paths with gentle inclines. Finishers are rewarded with a commemorative plate at Caffi Wylfa.

March 2026

A point-to-point, fully marked long-distance race along the Taff Trail from the Brecon Beacons to Nantgarw, covering about 70 km. The course mixes upland trails and valley cycle paths, with six checkpoints and a Merthyr drop bag for mid-rac..

Two winter mountain races between Brecon and Cardiff. The Brecon to Cardiff Xtreme is about 75 km (47.5 miles) over 11 summits with roughly 2680 m ascent, while the Taff Xtreme Marathon covers the second half at about 26.2 miles and 1300 m..

UTMB Index

A 33.5-mile multi-terrain trail run around the Imber Range Perimeter Path near Westbury on 1 March 2026, organised by the Rotary Club of Westbury and Avon Valley Runners. Entries are handled via Entry Central.

Tackle mud, hills, and a stream crossing on this annual multi-terrain challenge over approximately 6 miles at Baggeridge Country Park. It's organised by the cardiac rehabilitation charity Action Heart. A friendly, gritty event with a 90-min..

Celebrate St David's Day with a flexible 7-hour time challenge run in Wales' scenic Dare Valley Country Park. Choose your own distance on well-maintained footpaths and earn a medal for any run over 3 km. Free parking, an aid station, and go..

Push your limits at Haldon Horror on 1 March 2026 in Haldon Forest Park with 3 hour, 6 hour or 12 hour formats on 5 mile laps and canicross options. Medals, live GPS tracking and free photos await, just bring a headtorch.

The Brave returns to Exmouth for a scenic cliff and beach run. Choose between a 5km or 10km mixed-terrain course starting at Sideshore. The event supports a local community project focused on youth and the coastline.

Distances The event offers two distances: 45 miles and 30 miles. Date and Location The event takes place on Saturday, 7 March 2026. It is a loop course on the Community Forest Path around Bristol. The 45-mile race starts and finishes at Ash..

A winter fell race in the Shropshire hills overlooking Carding Mill Valley. Organized by Mercia Fell Runners, this 7.8km challenge requires full mandatory kit. Experience a partially marked course under WFRA rules.