Trail Running calendar near Merthyr Tydfil 2026-2027

We have found 396 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

A multi-distance trail weekend in East Devon with routes from 25 km to 110 km, GPS live tracking and licensed trail race status. The event includes camping, aid stations and mandatory kit requirements across varied terrain.

A multi-distance trail ultra on 2 May 2026 around the Worcestershire Way, with options of 23, 31, 38 or 47 miles. Self-navigation, downloadable GPX and staffed checkpoints support runners while timelord pacers offer route guidance.

Three long distance mountain trail races around the Bannau Brycheiniog starting and finishing in Brecon, offering 100 km, 75 km and marathon distances with substantial ascent and on-course support.

Experience 30 miles of Welsh beauty on a circular route from Llanidloes. This inclusive trail event features 4,356 feet of elevation gain with no time limits and fully stocked checkpoints.

Trail race at Carding Mill Valley on 2 May 2026 offering a half marathon (13.1 miles) and a full marathon of two laps. Entries are limited to 200 and a virtual option runs during the week of May 4th.

A trail running event in Exmoor National Park offering five coastal and inland routes from 5 km to 56 km, outposts with snacks, a plastic-free water policy and recommended mandatory kit for longer distances.

A muddy 5k obstacle course at Lydiard Park on 02 May 2026 that mixes tarmac and woodland trails with climbs, crawls and slides; participants must be 13 or older and there is a minimum fundraising target for Cancer Research UK.

A Pretty Muddy 5k obstacle course at Coopers Field, Bute Park on 02 May 2026 where participants climb, crawl and slide to raise funds for cancer research. The event has a £50 minimum fundraising target and is for ages 13 and over.

Cwmdu is a 15.9 km fell race near Crickhowell with 920 m of climb over Pen Tir and Mynydd Troed. The route requires navigation and mandatory kit; entry fees include tea and cakes.

The Bristol Backyard Ultra will take place in Filton from Saturday 2 May 2026 to Monday 4 May 2026. You can run 7 kilometers.

Tempo Trail Races in Ilmington on 3 May 2026 features 100K, new 50K, marathon, half marathon and 10K trail distances with feed stations, baggage support and a tracker for the ultras.

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.

Run your own distance along the scenic Stroud Waterways canal in this flexible timed event. Start when you like within a one-hour window and see how far you can go in seven hours. Every participant gets a finisher's medal.

Experience the beauty of the North Wessex Downs with trail races of 20 or 33 miles. Run through historic sites like Avebury and the rolling Wiltshire countryside on courses designed for trail enthusiasts.

A 12 mile off road run across the Clovelly Estate on 3 May 2026, organised by RNLI Events. The course features steep hills and views, tickets are shown from £33.22 to £38.62 and the event is for 18 plus.

Runaway Train in Shepton Mallet on 3 May 2026 combines a cross country trail race, a family walk and a town centre boxty feast, with scenic routes through woods, tunnels and viaducts and 8½ mile, 6 mile and 3 mile options.

A 13.4 km fell race around Talgarth with 610 m of ascent. The course is partially marked and requires navigation; entry is £10 pre entry or £15 on the day and the event is insured by the WFRA.

An annual off-road race day around Chepstow Park Woods starting and finishing at Hood Memorial Hall, Devauden. Distances include 10k, 5k, 2.4k for ages 8 plus and a 60m junior dash with a small donation on the day.

A provisional cross-country on 6 May 2026 covering 5.3 km with 100 m of ascent. Entry on the day costs £10 and this edition is announced as the race's final running.

Join this 5 mile multi terrain race at Bromsgrove Rugby Club featuring a scenic route of trails and towpaths. This evening event welcomes both solo runners and canicross participants for a focused and competitive run.

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