Trail Running calendar near Brentwood 2025-2026

The 666 Trail Run, organized by Ashford Tri Club, is a unique trail race held in Kings Wood, Challock, Ashford. Established in 2010, the event features a 6.66-mile course through woodland terrain, offering a challenging and scenic run. The race is known for its "devilishly good" distance and slightl..

The Fox and Hounds Trail takes place on 16 November 2025 in the Chelmsford area. The event offers two trail distances: 3.8 miles (approx.) 7.7 miles (approx.) Money raised will be donated to Centrepoint charity. The event is held under UK Athletics rules and has a TRA permit pending. Total places..

Roly's Run 2025 takes place on Sunday 16 November 2025 in the Meon Valley, Hampshire. Race HQ is at Swanmore Village Hall, New Road, Swanmore, SO32 2PF. Entries open 20 March 2025 and close 10 November 2025; there were 176 participants listed at the time of publication. The event is organised by CH..

The 5th Sundon Saunter is a long-distance walking event held on 16 November 2025. The venue is Barton-le-Clay Village Hall, MK45 4JY (grid ref TL 083 307). Parking is available at the village hall or at Arnold Academy, Hexton Road, MK45 4JZ (grid ref TL 086 305). Entries open on 1 September 2025 an..

Devil's Punchbowl 10km is a guided trail run around the Punchbowl in Hindhead, Surrey. The 10km route follows scenic trails with several hills, run at a group pace rather than a race. It suits those new to trail running or who prefer running with others, especially at dusk or night.Top views are pau..

The STAR Backyard PEASLAKE is a trail running event organised by Surrey Trek and Run at Peaslake Community Hall, Peaslake, Surrey (GU5 9RR). It is the first of a three-event STAR Backyard series, with Holmbury St. Mary and Shere to follow. The event runs for three hours and asks participants to com..

The Petzl Night Trails 10K at Salcey Forest is organised by Big Bear Events and is scheduled for 21 November 2025. The event is a trail 10k on a fully marked, two-lap route. Running at night requires a head or chest torch; Petzl will be at the event with demo head torches available to try. The even..

The Dormouse Challenge is a six-hour timed event held at Salcey Forest. Runners complete as many laps of a loop as they wish within the six-hour limit. The loop is 3.5-mile off-road, so total distances depend on laps completed; a marathon requires seven laps plus a little out-and-back, and a half m..

The Zigzag Turkey Trot Challenge is a six-hour timed running event held at the Suffolk Running Centre in Bury St Edmunds. Participants start together and run as many laps as possible on the undulating, multi-terrain Back Quack route, with an aid station available each lap. The event caters to all le..

The RunUk Kingston 10k is a scenic running event starting and finishing at the Kingston Hawker Centre in Surrey. The course takes runners through the streets of Kingston and along the picturesque river towpath, offering a vibrant atmosphere supported by local organizations. Participants receive a fi..

The ATW Wendover Woods Trail Run & Canicross takes place in the scenic Wendover Woods, located at the highest point in the Chilterns near Aylesbury. Participants can choose from a 5K, 10K, or Half Marathon trail run, all set on well-prepared, traffic-free woodland trails offering stunning countrysid..

Serpent Trail Ultra Run is a 30-mile trail event starting and finishing in Haslemere, Surrey. It showcases the best parts of the Serpent Trail and the Sussex Border Path, with a hilly profile that includes climbs toward Blackdown and a stop at the Temple of the Winds lookout for views over the South..

The Wallop is a scenic 21k trail run held within the Farleigh Wallop Estate in Hampshire. The course features a diverse mix of narrow woodland paths and wide gravel tracks that wind through forests and open land, offering runners an immersive natural experience. This half-marathon event is fully mar..

The The Maverick Exposure Lights Dark Oxfordshire will take place in Stonor on Saturday 29 November 2025. This trail is organized by Maverick Race. You can run between 7 and 17 kilometers.

Box Hill Vertical KM is a guided trail run held around Box Hill near Dorking, Surrey. The course covers about 12.5 miles with around 1000m of elevation, designed to rack up significant height in a compact distance. It traverses woodland, heathland and open fields, with hills that are technical enoug..

The The Maverick Original Oxfordshire will take place in Stonor on Saturday 29 November 2025. This trail is organized by Maverick Race. You can run between 7 and 22 kilometers.

Witterings Beach Run takes place at West Wittering Beach, near Chichester, UK. The event offers three distances: 5km, 10km, and 15km along a coastal route with extensive sandy flats revealed at low tide. Runners enjoy long views of Selsey Bill, the Isle of Wight, Chichester Harbour, the Solent, and..

The Riverside Marathon & Half Marathon, organized by Phoenix Running, takes place in Walton on Thames, Surrey, along the scenic River Thames towpath. This UK Athletics certified event features flat, fast, and accurately measured courses with no elevation gain, ideal for runners seeking personal best..

The 12th Colworth Hare and Tortoise Run is a 26.3-mile, five-lap event around the Colworth Estate in North Bedfordshire, hosted by Colworth Striders. The course blends gently undulating trail with unclassified road, including woodland paths with uneven surfaces and roots, narrow sections that limit..

The St Andrews Day Challenge is a timed trail event on 30 November 2025. Participants choose between a 6-hour or a 4-hour timed option and run as many laps of the circuit as they can within their chosen time. The course uses a multi-terrain 5.3 km lap over gravel footpaths and grass. Lap counts are..