Trail Running calendar near Merthyr Tydfil 2025-2026

We have found 204 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

The Bath 50 Ultra Challenge is a premier trekking and trail running event held in the historic city of Bath, UK. Participants can choose from 50 km, 29 km, or 10 km looped routes starting and finishing at Bath Racecourse. The course offers scenic views including the Royal Crescent, River Avon, and s..

The Way of the Dead is a challenging 50k running event traversing Dartmoor from east to west, organized by Wild Running. Participants can compete solo or in pairs, with live GPS tracking and three checkpoints that also serve as feed stations. The route features minimal ascent of 1389 meters but requ..

The Bristol Trail & Ultra, held on 28 March 2026, is a trail running event in Bristol offering two distances: a 25km trail and a 55km ultra. Both races start and finish at Museum Square in central Bristol, taking runners through scenic woodland, riverside paths, parks, and disused railway lines. The..

The Combe Gibbet to Overton Race will take place in Overton on Sunday 29 March 2026.

Ultra In The Black Country is a 32-mile ultra running event held at Baggeridge Country Park near Dudley, West Midlands. The scenic urban loop features mostly traffic-free paths, including disused railway lines, canal towpaths, tunnels, and woodland areas, showcasing the historic Black Country. The c..

The Minster Challenge 2026, held in Axminster, Devon, offers three running distances: 12km, 5km, and a 3km fun run suitable for all ages. Organized by Ruby Red Running in partnership with Axe Valley Academy, the event features a challenging course with hills and mud, promising an engaging trail runn..

April 2026

The Pendine Sands Races, held at Pendine Sands beach in Wales, offer a unique running experience on firm sand famously used for land speed records. Scheduled for April 5, 2026, the event features multiple distances: 5k, 10k, Half Marathon, Marathon, and a new Ultra of 32.8 miles. All races follow th..

Steaming to the Coast is a unique trail running event held along the scenic West Somerset Railway in Minehead, Somerset. Utilizing the UK's longest standard gauge steam railway, participants ride a steam train from Minehead to Bishops Lydeard before embarking on their runs. The event offers three di..

The Vale Coastal Races, held along the scenic Vale of Glamorgan coastline in Wales, offer three trail running distances: a 32.5-mile ultra marathon, an 18.5-mile "mini ultra," and a 10-mile race. The ultra race starts at Penarth Pier and follows the Wales Coastal Path, featuring clifftop trails, 19..

The Exe to Axe is a challenging 22-mile trail race held annually along the scenic South West Coast Path from Exmouth to Seaton, featuring approximately 4,000 feet of ascent. Organized by Sidmouth Running Club, this event offers both a full solo or relay race (teams of 2-4 runners) and a shorter, tou..

The Wild Horse South Wales 200 is an epic 200-mile ultramarathon traversing the scenic trails and mountains of South Wales. The course starts in Chepstow and finishes at Worm’s Head, following iconic routes such as Offa’s Dyke, the Beacons Way, the Heart of Wales Line, and the Wales Coast Path. This..

The MTC Gelert is a challenging 47-mile ultra marathon held in Wales, running from Barmouth to Llanidloes along the scenic National Cycle Route 8. It forms Day 3 of the six-day CYMRUN, part of the Mount to Coast End to End Challenge Series, which celebrates Welsh myths and legends. The route feature..

The MTC Afanc is a challenging 39.8-mile ultra marathon held in Wales, starting at the River Wye Activity Centre in Glasbury and finishing at the Travelodge in Merthyr Tydfil. The entire route follows the scenic National Cycle Route 8, offering a mix of ascent and descent totaling over 7,500 feet. T..

The Shropshire Way 80K Festival is a challenging trail running and walking event held in the scenic Shropshire Hills, England. Taking place in early April, it attracts hundreds of participants who experience the area's rich food, history, and landscape. The festival features multiple distances: the..

Cymoedd Sir Fynwy is a challenging mountain walking event organized by South Wales LDWA, held in Abergavenny, Wales. It features three distance options: 50 miles, 30 miles, and a new 20-mile route, all exploring the rugged terrain of the Black Mountains and the World Heritage Site of the Forgotten L..

The Beast of the Beacons is a challenging trail running event held in the stunning Brecon Beacons National Park, starting and finishing at Llangynidr Village Hall. Offering distances of 10, 20, and 40 miles, the course features a mix of harsh climbs, rocky paths, forest trails, rivers, and reservoir..

MTC Y Draig Goch is a challenging 34.8-mile ultra running event held in Wales, starting from Travelodge in Merthyr Tydfil and finishing at Marco's Cafe on Barry Island. The race follows the scenic National Cycle Route 8, offering a route with 2,392 feet of ascent and 2,913 feet of descent. It is par..

Endurancelife's Pembrokeshire event offers a stunning coastal trail running experience within Britain's only coastal National Park. Participants can choose from 10K, half marathon, marathon, and ultra distances, ranging from 7.5 to 34.7 miles, featuring challenging, undulating terrain across grass,..

UTMB Index

The Malvern Hills 18 Miler will take place in Great Malvern on Saturday 25 April 2026. You can run 18 miles.

The Bath Beat is a walking and running event held on the southeastern edge of Bath, England, offering distances of 12.5, 17, 21, and 26.5 miles. The course traverses the scenic countryside of the southern Cotswolds, including woods, hills, river valleys, farmland, and a historic disused canal. Parti..