Trail Running calendar near Cotswold District 2025-2026

Westcountry Ultra Flat 50 is a point-to-point 50-mile ultramarathon organized by Albion Running. The event starts in Taunton and finishes at West Somerset College in Minehead. The route has a flat first half and a more undulating second half, with roughly 2,100 feet of elevation change, and is ideal..

Run Rabbit Trail Festival is a multi-distance weekend trail running event by Race Harborough, staged at the picturesque Deene Park Estate near Corby. The festival features three challenges that can form The Quest: Trail Mix Challenge (25k across five 5k laps on the hour for five hours), Headlight Ho..

The Collingbourne Races, held at Crawlboys Farm in Ludgershall, offer a scenic off-road running experience through the beautiful Collingbourne woods. Featuring a half marathon and a 10km race, the course includes bridle paths, woodland tracks, and single-track trails, making it suitable for runners..

Chiltern Hills 100K is a TRA-licensed 100-kilometre ultramarathon organized by Runaway Racing. The next edition takes place in May 2026, starting and finishing in Chesham, Buckinghamshire, with the event base at Chesham Guides HQ in Lowndes Park. The anticlockwise route traces beloved Chilterns trai..

Westcountry Ultra 100 Miler is Albion Running's signature 100-mile event, held in Somerset, England. The race fuses the Flat 50 and Hilly 50 routes into one epic loop from Taunton to Minehead, largely along the Taunton–Bridgwater canal path, River Parrett Trail, and West Somerset Coast Path. Runners..

The Epona 100 is a challenging 100-mile ultramarathon held in Abergavenny, featuring a demanding 17,000 feet of elevation gain. The course offers a stunning mix of iconic trails, including Offa’s Dyke, Cambrian Way, and Beacons Way, providing runners with breathtaking mountain passes and diverse ter..

Tenacious Ten Endurance Challenge takes place on Mynydd Troed, Pengenfford Common near Talgarth, Powys (LD3 0EY). This intense, all-day loop race tests endurance with a single 10-hour format and a rolling loop of about 4 miles (roughly 6.9 km) per lap, featuring steep climbs and technical downhills..

Shires and Spires is a five-distance multi-terrain running event based in Naseby, Northamptonshire, starting and finishing at Naseby Village Hall. It offers 10K road, half marathon, three-quarter marathon, marathon, and a 35-mile ultra. The route blends trails, footpaths, and roads, showcasing the N..

OTT Marathon & 10 Mile Race takes place at Parkwood Dolygaer, Merthyr Tydfil, in the Brecon Beacons. The event offers two distances: a looped mountain marathon of about 26.2 miles with steep climbs and stunning views, and a 10-mile option that follows part of the same course to Checkpoint 1 before r..

The Compton Marathon & 16 Mile Challenge, part of the Compton Downland Challenge, is hosted by Compton Harriers Running Club in Compton, Berkshire. The event offers two routes: a marathon and a 16-mile challenge, both starting from the village recreation ground by the Village Hall (HQ). With a 7-hou..

True Grit Trail Half Marathon takes place at Bridgend Miniature Railway Centre in Aberkenfig, Tondu, near Bridgend (CF32 0EH). The 13.1-mile route is described as epicly challenging, with mixed terrain, killer hills, a Quarry section known as the Hill of Doom, and a technical downhill forestry trail..

North Downs Way 50 is a 50-mile point-to-point ultramarathon along the North Downs Way National Trail, from Farnham, Surrey to Knockholt Pound on the outskirts of Greater London. With about 5,600 feet of elevation gain, the mostly off-road route traverses iconic chalk downs, including Box Hill, and..

London 2 Brighton Ultra Challenge is Ultra Challenge’s flagship Capital-to-Coast trek from Richmond to Brighton. On 23-24 May 2026, it offers a full 100km route with ~1500 m of ascent, plus shorter options of about 50km and 25km, including a Brighton 25km loop. The course traverses Surrey and Sussex..

RunThrough Trails presents The Fox, a quintessentially British trail running experience set in the picturesque Surrey countryside. On Saturday 23 May 2026, the event offers three distances: 20K, 41K, and 62K, with all routes finishing at Burys Field in Godalming. Courses launch from Burys Field, Wes..

Grand Union Canal Race (GUCR) is a 145-mile non-stop ultramarathon along the Grand Union Canal Towpath from Gas Street Basin, Birmingham to Little Venice, London. Dubbed “The Long Run” and regarded by many as Britain’s premier ultra, the race follows a way-marked, flat towpath through urban and rura..

Beat The Sunset 50km Ultra Marathon takes place in Maidenhead, Berkshire, starting and finishing at Summerleaze Park. The 50-kilometre, multi-terrain course runs a flat, single loop along the Thames Path, Jubilee River and the Green Way, with about 235m of elevation and roughly 75% off-road surface...

Rocky at 50 Run - Wales is a 7 hour time challenge held at Dare Valley Country Park in Aberdare. Runners may choose their own distance during the event, with a minimum official finish distance of 3 km. Finishers who complete at least 3 km receive a themed finisher medal, and distance pins are award..

The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race along the full length of The Ridgeway National Trail. The next edition is scheduled for 30th May 2026. The route runs from Ivinghoe Beacon in Hertfordshire to the Avebury Stones in Wiltshire and is described as followin..

The Circuit du Sore Legs is a unique running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Participants run on a traffic-free 400-meter athletics track, with distances ranging from 5k to a 6-hour challenge, including half marathon, full marathon, and 50k ultra options...

Surrey Hills Half Marathon is a guided trail half marathon based in Guildford, Surrey, covering about 13 miles. The route travels through the Surrey Hills, with highlights including St Martha's Church and hill, the village of Shere, and views from Newlands Corner and Hackhurst Downs, including secti..