Trail Running calendar near Mapledurham 2025-2026

Epic Epping Forest Ultra 2025, run by Orion Harriers, was planned as a 50-mile forest ultra in Epping Forest, north-east London, starting from Jubilee Retreat in Chingford. The course comprised ten 5-mile laps on woodland trails with about 1,120 meters of elevation gain, marked with sawdust and flag..

The Fortitude Ultra - Denbies is an endurance running event held at the picturesque Denbies Wine Estate in Dorking, Surrey. Participants face the challenge of completing 10 laps of varying distances (approximately 3, 4, or 5 miles) within a 10-hour timeframe. Runners can adjust their chosen distance..

The Dark Downs 50k is an exciting night running event held on the scenic South Downs, featuring both a 50k race and a Half Marathon. Participants will experience the unique atmosphere of running at dusk and into the night, with the rolling hills and runnable trails providing an ideal setting. The ev..

Chiltern 50 Ultra Challenge is part of Ultra Challenge’s UK trek and trail series, based at Henley Showground. It offers a 50 km loop (920 m ascent) and a 25 km option, plus a 10 km Chilterns route. The end-of-season course winds through the Chilterns’ historic trails, rolling hills, nature reserves..

Thunder Races organises trail running events at Harrold-Odell Country Park in Bedfordshire. The Harrold-Odell races are described as UTMB Index events and take place on runnable terrain with local scenery. The events include a finish arch and a bespoke medal for finishers, and race timing is provid..

The event takes place 27–29 September 2025 at The Waggoners, Brickwall Close, Ayot Green, Welwyn Garden City, United Kingdom. The format uses a 4.167-mile loop that runners complete each hour until only one runner remains. Participants must be born on or before 27 September 2007. The published entr..

Wild Run Cotswolds takes place on 28 September 2025 at Cornbury Park, Charlbury, Oxfordshire. The event is held on a private estate and has a maximum field of 600 runners. There is a dedicated supporter zone at the start and finish. The race is permitted by the Trail Running Association and held un..

Eridge Park 10 Trail Challenge, staged at Eridge Green in Tunbridge Wells, Kent, marks its 25th anniversary in 2025. The 10-mile off-road trail race is renowned as a favourite among trail runners, offering stunning scenery, steep, narrow climbs and plenty of mud along a traffic-free route through Er..

The Grantchester Charity Runs, held near Grantchester village outside Cambridge, feature 10k and 3k races through scenic, predominantly flat farmland with no road crossings, ensuring a safe and pleasant course. The volunteer-run event supports Maggie’s Centre Cambridge and Addenbrooke’s Charitable T..

Something to Talk About is a 7-hour technical trail running event held at Avon Tyrrell Outdoor Activity Centre in the scenic New Forest, near Bransgore, Christchurch. The race features a looped course of 3.28 miles through beautiful forest terrain, suitable for all abilities. Participants can choose..

The Nettlestone Road and Trail (RAT) Race is an annual running event held at Nettlestone Primary School in Seaview. The 2025 edition offers participants a choice between a 5-mile or 5km route, both featuring off-road sections and a scenic run along the Seaview seafront with views of the Solent. The..

The Rayne QTR event, organized by Mid Essex Casuals, offers a self-navigation trail run of either 6.56 miles or 3.6 miles. Taking place on September 28, 2025, from The Swan Pub in Rayne, Essex, the course is mainly off-road, featuring footpaths, tracks, and field edges with some short road sections...

Race on the Chase is a popular trail running event held at Salisbury Racecourse, just 3 miles from Salisbury city centre. Celebrating its seventh anniversary in 2025, the race offers marathon, half marathon, and 10k distances, all featuring undulating downland terrain along ancient droves, grassy fi..

The Richmond Park Half Marathon takes place on Sunday 28th September 2025 at Richmond Park, with race HQ at Sheen Gate Car Park Area (TW10 5HT). The event distance is 13.1 miles / 21.1 km and the race is UK Athletics affiliated. Entry is handled via Eventrac. The organiser does not offer refunds; e..

The Amport Trail Run is a trail running event organised by the Muddy Runners club. A page for the 2025 edition is shown on the club site. The page states that registration is not yet open. The event is associated with the Amport area near Andover in Hampshire and includes the following distances:..

The Bournville Leafy 10k is a multi-terrain race held in Bournville on 28 Sep 2025. The course runs through parkland and paths around Bournville. Finishers receive a goody bag and a medal. The event is organised by Bournville Harriers and holds Event Licence Number 29863. Total places are listed as..

The Forest of Dean Autumn Half Marathon takes place in the Forest of Dean on Sunday 28 September 2025. The event is organised by the Rotary Club of the Royal Forest of Dean with support from the Forestry Commission. Proceeds are used to support charities both locally and nationally. Distances: 13..

The Black Nore 10km takes place on 28 September 2025 in Portishead, with the Race HQ at Portishead Open Air Pool, Esplanade Rd, BS20 7HD. The event distance is 10 km and the field is capped at 350 runners. Online registration is the primary entry route; any remaining places may be sold on the day o..

The North Downs Way Ultra Run is a guided trail run meeting at St Martha's Hill, Guildford, Surrey. The event covers 30 miles and is offered on scheduled dates in 2025 and 2026 (28 September 2025; 10 January 2026; 10 October 2026). The entry cost is £45 per person. A full kit list will be provided..

Kingfisher Challenge takes place at Coombe Abbey Park in Coventry, CV3 2AB, a scenic mix of mature woodland, waterways and open grassland ideal for trail running. The event uses a 3.3-mile lap on mostly stone paths, enabling runners to tailor distance within a 6-hour window—from a single 5k to 50+ m..