Trail Running calendar near Brentwood 2025-2026

The ZigZag Wensum Way Trail is a scenic trail running event held near Billingford Lakes, Norfolk (postcode NR20 4RG). Offering multiple distances including 10k, half marathon, marathon, and ultra, the course features a varied terrain of tarmac paths, grasslands, and rugged trails, ideal for runners..

The London Ecotrail 25 Km is an exciting running event that takes participants through the scenic landscapes of Epping Forest. This eco-friendly trail run emphasizes sustainability and encourages runners to enjoy the natural beauty of the area while promoting environmental awareness. The event is de..

The Guided 50k Ultramarathon in New Alresford, Hampshire, offers participants a scenic running experience through beautiful trails, including sections of the Watercress Way and Oxdrove Way. This event is designed for those who have completed at least a 20-mile run in the past year and will be conduc..

The Guided 15 Mile Run in New Alresford, Hampshire, offers a scenic experience for runners looking to tackle the first loop of a 50k event. Participants can enjoy the beautiful trails of the Watercress Way and Oxdrove Way, starting and finishing in the charming market town of Alresford. This relaxed..

The Run to the Sea Bournemouth Ultramarathon is a scenic 50km point-to-point race held from Moors Valley Country Park to Hengistbury Head in Bournemouth. The course features a mix of flat, multi-terrain paths including forest trails and coastal seafront routes, making it ideal for both beginners and..

The London Epping Forest 50 Km will take place in London on Saturday 4 October 2025. You can run 50 kilometers.

Bolt Round the Holt is a trail running event held at Alice Holt Forest in Hampshire, featuring distances of a half marathon, 10k, 5k, and a junior run. The race takes place on undulating forest trails with picturesque, sun-dappled scenery, offering a friendly and family-oriented atmosphere. The cour..

The Burnham on Crouch 10K is an exciting running event organized by the Rotary Club of Burnham-on-Crouch and Dengie Hundred, scheduled for October 5, 2025. Participants will enjoy a scenic, flat, single-lap course that features coastal paths along the Dengie peninsula and trails through open country..

Run Layer 5 2025 is a community-focused running event held in Layer de la Haye, Colchester, Essex. The event features a 5-mile out-and-back multi-terrain course through the scenic North Essex countryside, showcasing the village's beautiful landscapes. A children's 1-mile fun run is also available.Th..

The Dovedale Dash is a renowned 4 3/4 mile cross country race held near the village of Thorpe, close to Ashbourne in the Derbyshire Peak District. The course traverses mainly field paths and open ground through the scenic valleys of the rivers Dove and Manifold. A highlight of the race is the iconic..

Steeple Barton Chase is an annual fun running event held at Barton Abbey in Steeple Barton, Oxfordshire, located between Oxford and Banbury. The event features undulating courses combining on- and off-road terrain, offering a 10K main race and a 5K run for less intense competition. Additionally, the..

The Thames Meander Autumn is a scenic riverside running event held in Richmond, starting from the Petersham & Ham Sea Scouts HQ. It features three flat, fast, and well-marked out-and-back trail routes along the Thames Path: a 10km, a half marathon (13.1 miles), and a marathon (two half marathon loop..

The Rushmoor Wellesley 10k is a community-organized running event held near Aldershot, Hampshire, starting and finishing at the Military Athletics Stadium. The race features a very flat course primarily along Wellesley Woodlands footpaths and the Basingstoke Canal towpaths, offering scenic views ide..

The Thompson Millennium Green 10K and 5K are multi-terrain running events held in Thompson, Norfolk, featuring scenic routes through farmland, lanes, and bridleways around the Millennium Green. The 10K course is fairly flat, ideal for personal bests, starting and finishing on the Green, passing land..

The HAVOC Twilight Series 2025 No.3 in Brentwood is a midweek street orienteering event featuring a spiral score course through local streets, parks, and woods. Participants choose between two time limits: a 60-minute long course or a 40-minute short course, aiming to visit as many controls as possi..

The RunThrough Trails Beat Box Hill event, held on October 11, 2025, takes place at the iconic Box Hill in Surrey, UK. It offers two trail race distances: a challenging 50k with 1364m elevation and a 21k with 610m elevation, both featuring scenic routes on natural terrain. The event is suitable for..

The Kent Downs 50 Ultra Challenge is a supported endurance event held near Maidstone, Kent, known as the "Garden of England." Participants can walk, jog, or run on a 50 km looped course featuring scenic routes along the North Downs Way, Blue Bell Hill, Aylesford, the River Medway, Mote Park, Len Val..

The Run the Wild Half Marathon - Autumn Edition is a 13-mile (21.1 km) trail running event set in the scenic Chiltern Hills, just 40 minutes northwest of London. Featuring rolling chalk hills and woodland paths with an ascent of around 300 meters, the course offers a welcoming atmosphere for all abi..

Endurancelife Suffolk offers a range of running events including 10K, half marathon, marathon, and ultra distances, set in the serene and protected landscapes near Dunwich, Suffolk. The courses are notably flat and quick by Endurancelife standards, traversing moderate terrain that includes forest, m..

The West Acre Wild 10k Challenge is an off-road running event held in Westacre, Norfolk. The 10K course features undulating bridle paths and woodland tracks through scenic countryside, with a brief paved section at the start. Runners encounter optional obstacles and cross the West Acre fords near th..