Trail Running Calendar South East (England) 2025-2026

We have found 180 Trailruns in South East (England). Check below where and when you can find the races.

The Southampton Running Festival August 2025, organized by RunThrough UK, takes place on Sunday, August 31, 2025, at Southampton Common, a scenic and ecologically significant green space in the city center. The event offers multiple race distances including 5K, 10K, half marathon, and a junior race,..

September 2025

The Shere 42k, 21k & 10k Multi Terrain Event is a popular trail running competition set in the picturesque Surrey Hills, recognized as an Area of Outstanding Natural Beauty. Participants can choose from three distances: a scenic 10k, a challenging 21k, or a full marathon at 42k. Each route features..

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.

UTMB Index

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 tracks of the Chanctonbury and Cissbury rings. Participants face significant..

The SOX 10km is a scenic multi-terrain running event held in the South Oxfordshire countryside, starting and finishing at the South Oxfordshire Brewery taproom. The course covers 10 kilometers with about 60% off-road terrain, including trails, woodlands, fields, and local roads, featuring an elevati..

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 Farnham Pilgrim Marathon is a scenic and challenging marathon event held in Farnham, Surrey, within the picturesque Surrey Hills. The course offers spectacular views and a demanding route that appeals to trail running enthusiasts. It is a bespoke event known for its beautiful multi-terrain, off-..

Brighton 50/50 September 2025 is a trail running event held at Black Rock, Brighton Marina, UK. It offers three race distances: 50 miles, 50 kilometers, and 23 kilometers. The 50-mile race challenges runners with a route starting at Brighton Beach, traversing the scenic South Downs to Beachy Head, a..

Bewl Water Autumn is a scenic bi-annual running event held near the Bewl Water Visitor Centre in Lamberhurst, Kent. The race features four distances: 10km, half marathon, marathon, and a 50km ultra. The courses combine undulating rural wooded trails and quiet country lanes, offering stunning views a..

The Ashtead 10k and 2k fun run, organized annually by Ashtead Running Group, takes place on rough, undulating tracks around Ashtead Common, a protected Site of Special Scientific Interest and National Nature Reserve. The course features historic landmarks including a Roman villa and a triangular ear..

The Rye Ancient Trails 30K & 15K is a scenic steeplechase running event held in Rye, East Sussex, within the High Weald Area of Outstanding Natural Beauty. The race features challenging multi-terrain, hilly courses of 30 kilometers and 15 kilometers, winding through ancient trails, historic woodland..

The Alf Shrubb Memorial 10k and 5k are mixed trail races held in Slinfold, West Sussex, celebrating the legacy of local running legend Alf Shrubb. The event features chip-timed adult races on scenic routes through Sussex countryside, with the 10k consisting of two laps on local footpaths and bridlew..

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..

The Centurion Chiltern Wonderland 50 is a challenging 50-mile ultramarathon set in the scenic Chiltern Hills of South East England. The single-loop course features 5,600 feet of elevation gain and loss, traversing picturesque villages and historic sites known from British film and television. Starti..

The Guided Half Marathon - Winchester will take place in Winchester on Saturday 20 September 2025. You can run 13 miles.

The Yard Trail Races, hosted at Chilton Manor Farm in Hampshire, offers participants two scenic routes: a 10k and a 10-mile trail run. Both routes begin and end on a historic avenue lined with 800-year-old Yew trees, providing stunning views. Runners are welcomed at the finish line by friendly marsh..

Hambledon Hilly is an annual running event held at the picturesque Hambledon Vineyard in Hampshire, England, known as the country's oldest commercial vineyard. Celebrating its 10th edition in 2025, the event features multiple race distances: 1km and 2km for children under 12, 5km for ages 12 and up,..

BigSky Trails (AIR) is the final event in the Classic Element Trail Series, organized by BigFeat Events. Set in the picturesque New Forest National Park, this trail running event offers participants the choice of an 18-mile route or a marathon distance. Runners will experience stunning views and div..

The Silent Pool 10km is a guided trail running event starting and finishing at the scenic and historic Silent Pool near Guildford, Surrey. The route features beautiful trails including parts of the North Downs Way, the forest of Netley Heath, and the picturesque village of Shere, known for film loca..