Trail Running calendar near Nantgarw 2025-2026

The Black Cattle Ultra Gwartheg Duon is an ultramarathon event scheduled for August 23, 2025, in Cardiff. Organized by Ridge Runners, participants can choose between a 44-mile or a 33-mile course. The race begins at Llanthony Priory or Abergavenny, following the Cambrian Way to Cardiff, passing scen..

The Summer Green Man Ultra is a 45-mile ultramarathon around the City of Bristol, organized by Ultra Running. Participants can choose from various entry options, including individual and relay categories, with registration open until August 22, 2025. The event takes place at Aston Park School and of..

The Crickhowell 10km is a scenic race held in August 2025, suitable for runners looking to progress from a 5k. The flat course follows the Brecon & Monmouthshire canal, starting and ending in Llangattock near Crickhowell, with a turnaround at Gilwern. All finishers receive a medal, and there is a wa..

The Summer Green Man Ultra (GMU) is a challenging ultra marathon held near Bristol, featuring two race distances: 45 miles and 30 miles. Both races follow the same course clockwise along the Community Forest Path, with the 45-mile race starting and finishing at Ashton Park School, and the 30-mile ra..

The Pershore Plum 10k is a chip-timed, multi-terrain flat 10-kilometer race held in Pershore, Worcestershire. Starting at Pershore Leisure Centre, the course runs through Pershore High Street, crosses the river, and passes through the surrounding countryside near Wick before finishing in Abbey Park..

The Mendip Marauder is an exciting ultra-running event featuring two challenging distances: a 50-mile race and a 30-mile race, both set against the stunning backdrop of the Mendip Hills in Somerset, England. The 50-miler encompasses the entire Mendip Way, while the 30-miler covers the West Mendip Wa..

The Ross on Wye 10K Riverbank Run, scheduled for August 31, 2025, is a popular running event featuring a 10K race, a 5K race, and a Fun Run. The course is flat and follows the scenic banks of the River Wye, making it suitable for runners of all levels. Participants can expect chip-timed races, with..

The Joust 12hr & 24hr is an off-road ultra running event held at Top Barn Campsite in Worcester, featuring both a 24-hour race and a 12-hour challenge. Participants can compete solo or in teams, running on a looped course approximately 5.5 miles long across private farmland. The event offers medals,..

The RIDUM 2025 is a challenging 30-mile ultra marathon set along the Rhymney Valley Ridgeway Walk in South East Wales. Participants will traverse varied terrain, including lanes, trails, and woodland, with a total elevation of 4,252 feet. The route features notable points such as Mynydd Machen, the..

The Battle of the Borders is a trail running event held in the Shropshire Hills, offering participants a choice between a half marathon (13.1 miles) and a full marathon (26.2 miles). The race takes place in the scenic National Trust area of Carding Mill Valley near Church Stretton. The course is a s..

The Dartmoor in a Day Ultra is a challenging event that offers participants the choice of a 50 km ultra or a 30 km challenge, taking place across the stunning landscapes of Dartmoor. The route begins in Okehampton, traverses through Postbridge, and concludes in Ivybridge, showcasing breathtaking vie..

The Haytor Heller is a popular and well-established off-road moorland race held near Haytor Rock in Devon, England. Now in its 39th year, the challenging course covers approximately 6 miles (just under 10k) with significant elevation gain of about 450 meters. The single-lap route features rugged ope..

The Across Wales Walk is a classic challenge walking event held annually, now in its 62nd year. Participants walk or run a demanding 45-mile linear route across Wales, starting from Anchor Bridge on the English border near Clun and finishing at Clarach Bay near Aberystwyth on the Welsh coast. The co..

Westonbirt Arboretum Summer 2025 is a running event set in the stunning National Arboretum, featuring a variety of race distances including 1 mile, 5km, 10km, and a half marathon. Participants will enjoy a scenic route through diverse tree species, making it a unique experience that combines the bea..

The Hackpen Hill Trail Run is a challenging 10k event set in a picturesque off-road course that winds through tracks and farm fields near the historic Ridgeway trail. Celebrating its tenth year, participants can choose to walk, jog, or run the single-lap route, which features varied terrain includin..

The Carnival Chase 10K is a scenic running event taking place in Warminster, featuring a 10K race, a 3K fun run, and a new 1.2K Family - Wheelchair - Buggy Fun Run. Participants will enjoy a picturesque route along country lanes, tracks, and trails, starting and finishing by the boating lake. The ev..

The Blackdown Hills Trail Run offers an exciting opportunity for runners to experience the stunning landscapes of the Blackdown Hills. Participants can choose between a 10K or a Half Marathon, both starting from Taunton racecourse. The event features diverse terrain, including lively forest trails a..

The Crediton Crunch 10km is a multi-terrain running event held in Crediton, Devon, on September 7, 2025. Covering approximately 10 kilometers, the course is 90% off-road, featuring footpaths, grassland, private farmland, and country roads. The race starts and finishes at Queen Elizabeth School and i..

The Phil and Bonnie Bounder 6K Forest Run is a scenic running event taking place in Moreton Forest, designed for participants aged 14 and older. The course features a mix of woodland paths and a final stretch on a quiet country road, providing a unique running experience. The event aims to honor the..

The Stretton Skyline is a challenging fell running race held near Church Stretton in the West Midlands, organized by Telford Athletics Club. Covering 30.5 km with a total ascent of 1357 meters, the course demands strong navigational skills as it is only partially marked. The route includes rugged te..