Trail Running calendar near Tongwynlais 2025-2026

We have found 239 Trailruns within 80 miles of Tongwynlais. See below where and when you can find the races.

The Brecon to Cardiff Classic is a 70-kilometer (43-mile) ultra running race held annually along the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Nantgarw near Cardiff. Now in its 12th year, this fully marked, one-way race features diverse landscapes, starting with dramatic m..

The Brecon to Cardiff Xtreme is a challenging 75-kilometer mountain ultramarathon traversing 11 major peaks between Brecon and Cardiff, featuring approximately 2,680 meters of ascent. This winter race demands advanced mountain running skills and fitness, with a linear route starting at Brecon's cana..

The St David's Day Dragon Run 2026, hosted by Saturn Running, takes place in the scenic Dare Valley Country Park, Aberdare, Wales. Celebrating the patron saint of Wales, this event offers a unique 7-hour time challenge where participants can choose their running distance, starting from a minimum of..

The Weymouth Bay 10K is a scenic charity fun run held in Weymouth, Dorset, starting at Bowleaze Green near the Riviera Hotel. The course is an accurately measured out-and-back route featuring two laps, extending towards Pleasure Pier and returning via Overcombe. The mostly flat road terrain (88%) of..

The Winter Green Man Ultra (Winter GMU) is a challenging ultra marathon held annually around Bristol, UK. Scheduled for March 7, 2026, it offers two distances: a 45-mile (72 km) full loop and a 30-mile (48 km) partial loop of the Community Forest Path. The course runs anti-clockwise with 4 well-stoc..

The Hateful 8 Loopy Ultra is an endurance running event held at Bridgend Miniature Railway in Aberkenfig, Bridgend, South Wales. Participants tackle a challenging 9-mile mixed terrain loop featuring a tough hill, scenic road sections with stunning views, and a technical downhill forestry trail. Runn..

The Hannington Hike will take place in Hannington on Sunday 8 March 2026.

The Nant Yr Arian Silver Trail Races, set in the stunning Cambrian Mountains, offer participants a choice of challenging routes, including a Half Marathon and a 10km race, suitable for both beginners and experienced runners. The event also features children's races for various age groups. With fully..

The Forest of Dean Spring Trails Half Marathon is a scenic 13.1-mile race held annually in the Forest of Dean, starting and finishing near the Speech House Hotel. The course features well-maintained woodland trails with gentle inclines, offering a multi-terrain experience through beautiful forest la..

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 Bath 50 Ultra Challenge is a premier trekking and trail running event held in the historic city of Bath, UK. Participants can choose from three looped distances: 50 km, 29 km, or 10 km, all starting and finishing at Bath Racecourse. The 50 km route features 1,000 meters of elevation and offers p..

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 Minster Challenge is a running event held in Axminster, Devon, organized by Ruby Red Running in partnership with Axe Valley Academy. Scheduled for March 29, 2026, it offers three distances: a challenging 12km route for those 17 and over, a 5km course for runners aged 12 and above, and a 3km fun..

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

April 2026

The Testway Ultra is a challenging ultra marathon held in Hampshire, England, featuring 40 and 50-mile distances along the scenic Testway footpath. The route stretches from the chalky downs near the Northern Hampshire/Berkshire border to the southern town of Totton in Southampton, showcasing picture..

The Pendine Sands Races, held at Pendine Beach in Wales, offer runners the unique experience of racing on firm, flat sands famously used for land speed records. The event features 5k, 10k, Half Marathon, and Full Marathon distances, all run along the beach with out-and-back courses marked by race ma..

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 stunning Vale of Glamorgan coastline in Wales, offer three trail running distances: a 32.5-mile ultra, an 18.5-mile "mini ultra," and a 10-mile race. The ultra race follows a linear route from Penarth Pier to Ogmore-by-sea, hugging clifftops and passing 19 beac..

The Exe to Axe is a challenging 22-mile trail race held annually along the scenic South West Coast Path from Exmouth to Seaton, England. Known for its tough terrain and approximately 4,000 feet of ascent, it was once ranked the 9th best race in the UK by Runners World. The event offers two race opti..

The MTC Gelert is a challenging 47-mile ultra marathon held in Wales, starting from Barmouth and finishing in Llanidloes. The race follows the scenic National Cycle Route 8, offering a spectacular course through varied terrain. It is part of the Mount to Coast End to End Challenge Series and serves..