Trail Running calendar near Merthyr Tydfil 2026-2027

We have found 321 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

Experience the dramatic cliffs and secluded coves of the Pembrokeshire Coast Path. Choose from four distances ranging from a 22 mile trail race to a 100 mile ultra with transport and camping included.

Experience a 40 mile ultra marathon along the stunning Wales Coast Path from Porthcawl to Penarth. This supported journey features dramatic cliffs, ancient castles, and scenic coastal trails with no strict time limits.

A multi-distance fundraiser at TF4 3HZ with 8 mile laps that form 16 mile and marathon options, a mixed paths-and-tracks route through the Valley of Ironbridge, and a playful fancy dress tradition. Entry fees are listed from £30 to £42.

Trail races in the Brecon Beacons on June 6 2026, offering marathon and half marathon options plus weighted bergen editions. Runners move from daylight into night and may need a torch.

Experience a premier 85 mile ultra endurance event along the coastline. This June 2026 race offers a significant physical challenge for long distance runners looking to test their limits on a point to point course.

A circular 14.2 mile mixed terrain race around Exeter with a shorter 9 mile Yellow Zone option. The course follows the Green Circle through valleys, meadows and along the Exe and includes toilet facilities at several points.

A 12 hour backyard ultramarathon at Bakehouse in Bristol on 6 June 2026. Participants run one lap each hour on 3 km, 4 km, 5 km or 6 km loops, with bike and row erg options available, raising funds for Andy's Man Club.

Trail running and rucking in the Mendip Hills near Winscombe on June 6, 2026. Choose 8 km or 14 km, race in Pro or Open categories, and use a provided GORUCK Rucker 4.0 for ruck entries.

Races in Bath run along the Two Tunnels shared path, passing the Devonshire Tunnel 408 m and Combe Down Tunnel 1,672 m. Distances range from 500 m fun runs to a 50 km ultra with relay and multiple route options.

The Care For Kids Barnstaple 10K is a flat, fast off-road race starting from the Rugby Club. The scenic route uses the Tarka Trail and passes through Rock Park. It's a chip-timed event with prizes, a finisher's medal, and a shirt for early..

Experience a challenging fell race across the northern moor with distances including a 10 mile route and junior runs. Navigate from Okehampton to Yes Tor in this self navigated mountain event.

Experience a 10k run through the National Trust Brockhampton Estate. This limited entry event features a hilly course with views and welcomes cani cross participants.

Offa's Dyke 15 returns on 13 June 2026 as an off-road running event organised by Tempo Events, with individual and relay entry options and registration at The Granary in Hay-on-Wye.

A multi-distance trail event in the Cotswolds on 13-14 June 2026 centered at Cirencester basecamp, offering strong route support, GPS tracking, regular rest stops, medical cover, camping and finishers awards.

A chip-timed 5K and 10K on an undulating multi-terrain route around Neroche Primary School, with medals and age-group prizes, plus a children’s fun run that accepts a £2 donation. Proceeds support Neroche School PFA.

Trail runs through Cheddar Gorge and the Mendip Hills on 14 June 2026, with distances from 1 km to marathon. Routes are waymarked and marshalled, with multiple feed stations and on site parking.

Run as many 3.28 mile laps as you wish along the scenic Stroud Waterways canal. This flexible timed event caters to all distances from 5k to ultra marathon with a seven hour time limit and a relaxed start window.

Experience 51 miles of mountain and trail racing through Southern Snowdonia and Coed-y-Brenin forest. Technical terrain includes ascents of Cadair Idris and Rhinog Fach with full GPS tracking and checkpoint support.

Experience 185 million years of history along the World Heritage Jurassic Coast. Choose from multiple distances up to 105 miles following the scenic South West Coast Path.

A three day festival at the Pinkery Centre in Exmoor National Park combining the Exmoor Perambulation and Man vs Moor events. It features walks, trail races, a sunset swim, evening talks and family options.

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