Trail Running calendar near Croydon 2025-2026

The Gosfield Backyard Ultra is a unique endurance running event held at Gosfield School in Essex, UK. Participants run a 4.167-mile (6,706 meters) loop every hour on the hour, continuing until only one runner remains. The course is fully marked and set within the scenic grounds of the school.The eve..

The Woldingham Marathon is a UK Athletics-affiliated running event held at Woldingham School near Caterham, Surrey. It offers both a full marathon (26.2 miles) and a half marathon (13.1 miles) on an out-and-back course featuring a single 13.1-mile loop. The route traverses scenic countryside, includ..

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

The Chelmsford Brew Co Summer August Ale Trail 10K is a fun, charity-focused running event held at Brewery Fields, Great Baddow, Chelmsford. Scheduled for August 28, 2025, the 10K course is a GPX/Strava route with a narrative guide, emphasizing enjoyment over competition. Participants receive a drin..

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, passes through the scenic Elham Valley, and traverses the rolling..

The London Backyard Ultra is a unique endurance running event held at Frylands Wood Scout Outdoor Centre in Croydon, London. Participants run a four-mile loop every hour on the hour, continuing until only one runner remains, testing their true limits. The event offers a challenging yet supportive at..

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 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,..

The Ickworth Sunset Chase is a scenic running event held at Ickworth Park, a National Trust estate near Bury St Edmunds, Suffolk. Offering 5K and 10K distances, the race starts at sunset, guiding runners through landscaped parkland, meadows, forests, and rolling countryside. The course features mult..

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

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 Hackpen Hill 10k Trail Run is an annual off-road event held near Weir Farm, Broad Hinton, Swindon, Wiltshire. Celebrating its tenth year, the race features a challenging one-lap course that traverses farm tracks, fields, mud, and rolling hills alongside the historic Ridgeway trail. Suitable for..

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, suitable for runners of all abilities. The course features hilly, rugged trails through tranquil beech woodlands..

The Muntjac 15 is a trail running event held on September 7, 2025, featuring a 15-mile course that connects five beautiful woodlands. This race is ideal for runners who enjoy hilly terrain, wooded areas, and single-track trails, offering a scenic and challenging experience. With a limited number of..

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 Chanctonbury and Cissbury rings. Participants face significant ele..

The Farnham Pilgrim Marathon, held in Farnham, Surrey, offers runners a scenic and challenging experience through the Surrey Hills. The event features a full marathon distance with spectacular views and a course that is mainly off-road, traversing multi-terrain and multi-surface trails. Known for it..

The SOX 10km is a scenic multi-terrain running event held at the South Oxfordshire Brewery in Ipsden, UK. The course covers 10 kilometers with about 60% off-road terrain, including trails, woodlands, fields, and local roads, offering stunning countryside views. Suitable for all abilities, the event..

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 (13.1 miles), marathon (26.5 miles), and an ultra 50km (31.25 miles). The courses combine undulating rural wooded trails and quiet..

The Isle of Wight Fell Race Series 2025 is a two-day championship event held on the Isle of Wight, with race headquarters at St Catherine’s School in Ventnor. The series features three challenging fell races: the St Boniface Fell (3.8km, 235m ascent), the Ventnor Horseshoe (12km, 443m ascent), and t..