Trail Running calendar near Bristol 2025-2026

We have found 281 Trailruns within 80 miles of Bristol. See below where and when you can find the races.

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 Merthyr Tydfil. The entire route follows the scenic National Cycle Route 8, offering runners a spectacular course with an ascent of over 4,200 feet and descen..

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. Scheduled for April 18, 2026, it offers three distances: 10, 20, and 40 miles, with elevation gains up to 8,438 feet on the longest cour..

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 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. It forms Day 6 of the six-day MTC CYMRUN, part of the Mount to Coast End to End Challenge Series. The route follows the scenic..

The Bath Beat is a walking and running event held on the southeastern edge of Bath, England, featuring 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. Part..

The Malvern Hills 18 Miler is a guided trail running event organized by Running Adventures, taking place in the scenic Malvern Hills, UK. The route covers approximately 18 miles with over 1300 meters (4400 feet) of elevation, traversing the Malvern ridge and visiting all its summits. Runners experie..

The Butcombe Trail Ultra is a challenging trail ultramarathon held in the Mendip Hills, an Area of Outstanding Natural Beauty in the UK. It features two race distances: 50 miles and 50 kilometers, both self-navigation events that follow a mostly off-road route around six pubs, offering stunning coun..

Saturn Running's "The Nearly But Not Quite London Marathon - Wales" takes place at Dare Valley Country Park in Aberdare. This inclusive event offers runners the flexibility to choose their distance within a 7-hour time challenge, with laps of approximately 4.37 miles (7km) on well-maintained footpat..

The Drop - Winchester is a unique and challenging race held in Winchester, UK, offering participants a thrilling test of resilience and navigation skills. Competitors choose between a 10-mile or 15-mile course, either solo or in teams. The race begins with a blindfolded bus ride to an undisclosed dr..

The Garmin UK Trail Running Festival 2026 takes place at St Giles House, Wimborne St Giles, offering a variety of trail running events including a marathon, half marathon, 10K, 5K, and junior races for children as young as 0 years. The festival features scenic courses designed to inspire runners to..

The A Coventry Way Challenge is a 40-mile running or walking event set in the scenic countryside around Coventry, starting and finishing at the Heart of England Social Club in Meriden. Open to individuals aged 18 and over, participants can take part solo or in relay teams. The course features five c..

May 2026

The Portland Pig Backyard Ultra is an ultramarathon event held at Grove Farm Estate, Portland, Dorset. Participants run a 4.167-mile (6,706 meters) loop every hour, starting on the hour, continuing until only one runner remains. The course features diverse terrain including grass, gravel, track, tar..

The East Devon Round is a challenging trail running festival held in East Devon, near Honiton, featuring ultra-distance races through stunning countryside. The main event covers approximately 68 miles with over 10,800 feet of elevation, passing through three National Landscapes, the Jurassic Coast W..

The Malvern Hills Ultra is a challenging ultra running event held in Worcestershire, UK, starting and finishing at Abberley Village Hall. Scheduled for May 2, 2026, it offers multiple race distances: 23, 31, 38, and 47 miles, with the longest featuring over 2,900 meters of ascent along the Worcester..

Rasus y Bannau is a challenging long-distance running event held in Brecon, Wales, featuring three race options: a 100 km ultra with 5100m ascent, a 75 km ultra with 3500m ascent, and a marathon of 43 km with 2000m ascent. All races start and finish in Brecon town center, traversing the scenic and r..

Tempo Trail Races 2026 is a weekend trail running event held in the scenic Cotswolds, based at Ilmington Sports & Social Club near Shipston On Stour, UK. The event offers a variety of race distances to suit different levels, including a 100K Ultra, a new 50K Ultra, a Marathon, a Half Marathon, and a..

Rapid Relays is a dynamic running event held at the scenic Culden Faw Estate in Fawley, near Henley on Thames, Oxfordshire. The race features a woodland trail course on estate tracks with gently undulating terrain, including a notable climb before 3 kilometers followed by a long downhill stretch bac..

BigWayRound - Winchester is an award-winning, Gold-rated trail running event held at Winchester Rugby Club. The event offers four distances: 14 miles, 19 miles, a marathon, and a 50K ultramarathon, catering to both new and experienced trail runners. The course features stunning views and traverses i..

The Westcountry Ultra Flat 50 is a 50-mile point-to-point ultramarathon held in Somerset, England, ideal for first-time 50-mile runners or those seeking a fast race. The course features a pancake-flat first half along the Taunton to Bridgwater Canal Path and the River Parrett Trail, with opportuniti..