Trail Running calendar near Dunstable Downs 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 Derby Running Festival 2025 takes place at Elvaston Castle Country Park in Derby, UK. This event offers 5K, 10K, and Half Marathon distances on a flat, multi-terrain course featuring trails, tarmac, and footpaths through the scenic grounds of the Grade II listed Elvaston Castle, including views..

The Woldingham Marathon, held near Caterham at Woldingham School, offers both full (26.2 miles) and half marathon (13.1 miles) distances on an out-and-back course. Starting at Woldingham School, the route traverses scenic private roads, green valleys, and trails along the North Downs Way and Vanguar..

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..

Run Winchcombe is a family-friendly running event held at the historic Sudeley Castle in Winchcombe. It offers three race distances: a 1k for children under 11, a 5k for ages 11 and over, and a 10k for participants 16 and older. The courses feature scenic routes around the castle grounds, including..

The Pershore Plum 10k is a chip-timed, multi-terrain flat 10-kilometer race held in Pershore, Worcestershire. Starting at Pershore Leisure Centre, the course runs through the town’s High Street, crosses the river, and winds through the surrounding countryside near Wick before finishing in Abbey Park..

The The Croft Canter will take place in Leicester on Sunday 24 August 2025. You can run 10 miles.

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..

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 views starting and finishing at Temple Island Meadows, the Royal Henley R..

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 Southampton Running Festival, held on August 31, 2025, takes place at Southampton Common, a scenic green space in the city center known for its woodland, grassland, ponds, wetlands, and lakes. The event offers multiple race distances including a 5K, 10K, half marathon, and a junior race, with co..

The T184 is a challenging 184-mile self-supported adventure race following the River Thames from its source near Cirencester to the Thames Barrier in London. Participants navigate through scenic towns, villages, and iconic London landmarks, completing the course within 76 hours. The route alternates..

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..

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 Joust 12hr & 24hr is an off-road endurance race held at Top Barn Campsite, Worcestershire (WR6 6NH). The event features a 24-hour race (J24) and a 12-hour 50-mile challenge (J12), with the J24 open to solo runners, pairs, and teams, while the J12 is for solo competitors only. The course is a rou..

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..

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..