Trail Running calendar near Redhill 2025-2026

The Phoenix Striders Summer Series is a trail running event held at the Essex Wildlife Trust's Langdon Discovery Nature Park, part of Langdon Hills. The 2025 series culminates in Round 5, a 5k race consisting of two laps around a 2.5k trail circuit featuring natural terrain such as tree roots, cobbl..

The Gosfield Backyard Ultra is a unique endurance running event held at Gosfield School in Essex, UK. Participants run a 4.167-mile (6.7 km) loop every hour on the hour, continuing until only one runner remains. The course is fully marked and set within the scenic school grounds, offering a challeng..

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 Full and Half Marathon, staged by 1 Mile Events, takes place at Woldingham School in Caterham, Surrey. It offers a Half Marathon (13.1 miles) and Full Marathon (26.2 miles). Both routes are out-and-back: the half runs one loop, the full two loops. Starting from the school, runners tra..

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 Chelmsford Brew Co Summer August Ale Trail 10K is a fun, charity-focused running event held in Chelmsford, supporting the British Heart Foundation. The 10K course is a GPX/Strava-mapped trail with a narrative guide, designed for enjoyment rather than competition. Participants receive a drink and..

White Cliffs Challenge is a 51-mile endurance event organised by LDWA Kent, starting from Betteshanger Sports & Social Club in Deal, Kent. The route follows the spectacular White Cliffs to Dover, then the North Downs Way via the Elham Valley and rolling Kent countryside back to Deal. It features che..

Henley River Half Marathon, 10k & Juniors August 2025 is a RunThrough UK event held in Henley-on-Thames, UK. The course offers a fast scenic trail around Henley-on-Thames, starting and finishing by Temple Island Meadows, the official start line for the Royal Henley Rowing Regatta. Distances availabl..

London Backyard Ultra is an endurance running event held at Frylands Wood Scout Outdoor Centre in Croydon, London. The event features a 4-mile (about 6.4 km) lap every hour, continuing until only one runner remains. The wooded venue offers a woodland course with a supportive, community atmosphere ty..

Southampton Running Festival, hosted by RunThrough UK, returns on Sunday 31 August 2025 in Southampton. The event takes place at The Avenue, Southampton SO15 7NN, with the start and finish on Southampton Common, a Site of Special Scientific Interest ideal for running. Distances on offer include 5K,..

The 2nd Galloping Grind 10k Trail Run takes place in Boreham, Essex, offering a challenging 10-kilometer course predominantly run in an anti-clockwise direction. This dusk race encourages participants to wear high-visibility or reflective clothing for safety. The event features a new course for 2025..

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..

Set in the Surrey Hills, the Shere 42k, 21k & 10k Multi Terrain Event offers three trail running options from the picturesque Shere Recreation Ground. The 10k covers woodland and rolling trails with a 123m ascent; the 21k climbs about 543m across North Downs and Ranmore; the 42k marathon lifts aroun..

Victoria Park Summer Series returns 6 September in Ashford, at Victoria Park. It offers two 60‑minute scores: Long Score for experienced navigators (20 controls, 90–109, with two dumbbell bonuses) and Short Score for beginners and families (60 minutes, 20 controls). Scoring is 10 points per control..

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

The St Albans Stampede - 12hr Enduro is an ultra marathon held in the scenic Hertfordshire countryside, featuring parts of Heartwood Forest and Nomansland Common. Participants aim to cover the greatest distance by running multiple four-mile loops within a 12-hour period. The event accommodates solo..

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..

Bradenham Blast is a trail running event at Manor Farm, Bradenham, near High Wycombe in the Chiltern Hills. It offers three distances: 5km, 10km, and a Half Marathon (21.1km) introduced in 2025. The routes are described as hilly and scenic, winding through tranquil beech woodland with outstanding vi..

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 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..