Trail Running calendar near Trethomas 2026-2027

Wild Horse South Wales 200 is a 200-mile trail ultramarathon through South Wales. The route links historic paths like Offa's Dyke and the Beacons Way, finishing at Worm's Head on the coast. This point-to-point adventure offers a multi-day c..

The MTC Gelert is a 47-mile ultramarathon along Wales's scenic National Cycle Route 8, from Barmouth to Llanidloes. It is also the third day of the CYMRUN multi-day challenge. The event has a strict 4 mph pace requirement and provides a bes..

Experience a scenic 40 mile ultra marathon along National Cycle Route 8 from Glasbury to Merthyr Tydfil. This quadrennial event offers a well supported route through the Heart of Wales with unique finishers medals.

Experience the landscape of the Shropshire Hills through a series of trail runs and walks ranging from 10 km to 80 km. Enjoy local food and historical landmarks while supporting educational charity programs.

Experience a guided 18 mile adventure across the Malvern Hills ridge and surrounding woodlands. This social group run features over 1300m of elevation and stunning panoramic views at a non competitive pace.

Experience the rugged beauty of Brecon Beacons National Park with a choice of 10, 20, or 40 mile trail races. Navigate mountain ridges and forest paths in this supported event starting from Gilestone Farm.

Experience an endurance event through the Black Mountains and the Blaenavon World Heritage Site. Choose between three distances and tackle historic mountain climbs and scenic canal paths starting from Abergavenny.

Experience a scenic 35 mile ultra marathon from Merthyr Tydfil to Barry Island. Following the National Cycle Route 8 to the coast, this four yearly event offers a unique journey through the landscapes of South Wales.

Martley Madness is a 10-mile trail and country lane race through the Worcestershire countryside. The undulating route features woodland, Rodge Hill, and part of the Worcestershire Way. All finishers get a medal and celebratory cake at the f..

Coastal trail running from Little Haven with 10K, half, marathon and ultra options across undulating exposed terrain in Pembrokeshire National Park. The event forms part of the Endurancelife season leaderboard.

Explore the scenic Cotswold countryside south of Bath with this supported trail event featuring four routes ranging from 12.5 to 26.5 miles for both walkers and runners.

Experience a self-navigation ultramarathon through the beautiful Mendip Hills. Choose between the 50 mile or 50 km off-road courses starting from the Mendip Activity Centre for a challenging trail running experience.

Experience the beauty of Shropshire on a 10 or 22 mile course climbing Abdon Burf and Wenlock Edge. Enjoy a well supported route with homemade cakes and refreshments starting from the historic Holdgate Church.

Run your own distance on a 7-hour timed course through Parc Taf Bargoed in South Wales. Choose from 5k to ultra on a flexible, scenic loop starting from Trelewis. Walkers and runners are welcome with staggered starts and full event support.

Follow the scenic Monmouthshire and Brecon Canal on this supported 40 mile point to point journey from Malpas to Brecon Basin. Enjoy a flat towpath route through the heart of the Welsh countryside with a 15 hour time limit.

Experience a scenic multi terrain race through Shute Woods and Kilmington. Choose from 7 mile, 4 km, or 1 km distances featuring steep woodland climbs and rolling Devon fields.

Discover the beauty of Dartmoor through a series of ten mile loops starting from Leusdon Memorial Hall. This members only event offers distances up to 31 miles across open moors and woodland trails.

Experience a scenic 13 mile offroad race across the ridge of the Malvern Hills. This hilly trail event features a friendly atmosphere with no cut off times and well stocked aid stations for all runners.

Experience a diverse range of multi terrain races including a full marathon half marathon and 10K. This festival offers distances for all levels plus dog friendly runs and a vibrant colour fun run.

Experience a unique ultra marathon format on a 4.167 mile loop through the scenic Eastnor Castle Deer Park. Choose between an eight hour solo backyard challenge or a flexible relay with friends on a mud free course.