Trail Running Calendar South East (England) 2025-2026

The Dinton 5km & 10km Summer Series, hosted by Barnes Fitness, is a popular running event held at Dinton Pastures Country Park near Reading. Celebrating its 13th year, the series takes place over four months with races on select Thursdays from May to August. It features friendly, traffic-free off-ro..

The Big Pilgrimage is an exciting mixed terrain running event featuring a 15-mile course and a marathon, set to take place along the historic 'Old Way' Pilgrim Trail from Southampton to Canterbury. Participants will enjoy scenic views as they traverse beautiful coastal and countryside paths, with no..

The Firle 5km Handicap Trail Race is a scenic trail running event held at Firle Village Hall in the UK. The race features a 5km out-and-back course along the Old Coach Road, primarily on hard trail surfaces with some quiet country lanes, offering beautiful views of the South Downs. It is a handicap..

The Windsor & Eton 10km is a scenic multi-terrain trail run held in the historic Royal town of Windsor, starting and finishing near the Windsor & Eton Brewery by the River Thames. The pancake-flat course covers 10 kilometers, featuring towpaths, footpaths, and short road sections through areas inclu..

Trail Run Canterbury is a scenic trail running event held around the outskirts of Canterbury, starting from St. Edmund's School. It offers three distance options: 5.5 miles, 10 miles, and 20 miles, with the longest being two loops of the 10-mile course.The routes feature a mix of open countryside an..

The SEOUL Urban Epsom is a Level B urban orienteering event held in the historic spa town of Epsom, known for its racecourse and scenic North Downs views over Central London. The event features multiple courses ranging from 2.0 km for young juniors to 11.4 km for men's open, with varied climbs and t..

The Woldingham Marathon, held near Caterham, UK, offers both full (26.2 miles) and half marathon (13.1 miles) distances on a scenic out-and-back course starting at Woldingham School. The route features a challenging mix of private roads, woodland trails, and countryside paths, including sections alo..

The Henley River Half Marathon, 10k & Juniors event takes place in Henley-on-Thames, UK, on August 30, 2025. This scenic trail run is suitable for both new and experienced runners, featuring routes around Henley-on-Thames with beautiful views and a fast course ideal for personal bests. The race star..

The White Cliffs Challenge is a 51-mile endurance event starting from Betteshanger Sports & Social Club in Deal, Kent. The route showcases the stunning White Cliffs coastline, extending beyond Dover, then follows the North Downs Way through the scenic Elham Valley and rolling Kent countryside, finis..

The Southampton Running Festival, held on August 31, 2025, takes place at Southampton Common, a scenic and ecologically significant green space in the city center. The event offers multiple race distances including a 5K, 10K, half marathon, and a junior race, with courses featuring laps through wood..

The Shere 42k, 21k & 10k Multi Terrain Event is a trail running series held in the scenic Surrey Hills, an Area of Outstanding Natural Beauty. The event offers three distances: a 10k route with 123m ascent through woodlands, a new 21k half marathon featuring parts of the North Downs and Ranmore with..

The Andover Trail Marathon, held in North Hampshire at Kings Road, Enham Alamein, offers both a full marathon (26.2 miles) and a half marathon (13.1 miles) through scenic trails. The marathon route follows the Testway up to Coombe Gibbet, Hampshire's highest point, then returns via the Conholt estat..

The South Coast Challenge will take place in Eastbourne on Saturday 6 September 2025. You can run between 16 and 63 miles.

The SOX 10km is a scenic multi-terrain running event held at the South Oxfordshire Brewery in Ipsden, UK. The course, suitable for all abilities and canicross participants, covers 10km with about 60% off-road terrain including trails, woodlands, fields, and local roads, featuring 141m of elevation g..

The Bradenham Blast is a highly regarded trail running event held in the scenic Chiltern Hills at Manor Farm, Bradenham, UK. It offers three distances: 5km, 10km, and a new half marathon, catering to runners of all abilities. The course features challenging hills, tranquil beech woodlands, rugged tr..

The Sufferings is a challenging trail running event held at Washington Village Hall in Pulborough, UK. The race features three distances: a half marathon, a full marathon, and a 39-mile ultra, all incorporating the toughest and most scenic tracks of the Chanctonbury and Cissbury rings. Participants..

The Farnham Pilgrim Marathon is a scenic and challenging running event held in Farnham, Surrey, starting from The Sands on Seale Road. The marathon offers spectacular views across the Surrey Hills, known for its hilly and multi-terrain course that tests runners' endurance. Alongside the full maratho..

Brighton 50/50 September 2025 is a trail running event held in Brighton, UK, featuring three race distances: 50 miles, 50 kilometers, and 23 kilometers. The 50-mile race starts at Brighton Beach, traversing the scenic South Downs to Beachy Head and returning along the coastline, offering rolling hil..

Bewl Water Autumn is a scenic bi-annual race series held near the Bewl Water Visitor Centre in Lamberhurst, Kent. The event features four distances: 10km, half marathon, marathon, and a 50km ultra, all following routes around the reservoir. The courses combine undulating rural wooded trails and quie..

The Bradley Fell Race, organized by the British Open Fell Runners Association (BOFRA), takes place in Bradley Village near Skipton, North Yorkshire. The race covers 3.5 miles (5.6 km) with an 800-foot (274 meters) climb, starting with a steady ascent through fields and tracks to High Bradley, follow..