Trail Running calendar near Detling 2025-2026

The Serpent Trail Ultra Run is a 30-mile trail running event starting and finishing in Haslemere, Surrey. It showcases some of the best sections of the Serpent Trail and the Sussex Border Path, featuring hilly terrain through lush fields, ancient woodlands, rare heathland, and scenic valleys. Ideal..

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.

The Box Hill Vertical KM is a challenging guided trail run located in Box Hill, Dorking, Surrey. Covering approximately 12.5 miles with around 1000 meters of elevation gain, the route explores hilly woodland, heathland, and open fields, featuring technical climbs that may require scrambling. Designe..

The Maverick Original Oxfordshire is a trail running event held at the historic Stonor Park estate near Henley-on-Thames, Oxfordshire. Set within the Chilterns Area of Outstanding Natural Beauty, the race offers three challenging routes: 22 km (long), 12 km (middle), and 7 km (short), featuring elev..

The Wittering Beach Run is a popular running event held at West Wittering Beach, Chichester, known for its natural, unspoilt Blue Flag beaches. The course offers stunning panoramic views of Selsey Bill, the Isle of Wight, Chichester Harbour, the Solent, and the South Downs. Runners can choose from t..

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 Surrey Hills Half Marathon is a scenic 13-mile guided trail run starting and finishing in Guildford, Surrey. Ideal for those new to trail running, the route showcases the natural beauty of the Surrey Hills, including landmarks like St Martha's Church, the village of Shere, Newlands Corner, and H..

Winter on the Downs is an ultra-running event featuring two single-loop races of 55 miles and 100 miles, set in the scenic trails of East and West Sussex. Starting and finishing in Eastbourne, participants will traverse iconic landscapes, including Beachy Head and the Seven Sisters. The 55-mile rout..

The Sussex Downs Trail Run takes place in the scenic South Downs National Park, starting at Plumpton Racecourse near Lewes, UK. Offering three distances—22km, 12km, and 9km—the event caters to all abilities, including newcomers. The course features a flat 3.5km tree-lined warm-up, followed by a chal..

The Cowdray Winter Night Run, part of the Cowdray ‘Run The Seasons’ series, is a unique night-time trail running event held at Cowdray Park near Midhurst. Offering 5km and 10km distances, plus a dog-friendly canicross option, the course winds through the park, around the River Rother, and across the..

The Hurtwood 50K, organized by Freedom Racing, is a popular late-season ultra running event held in the scenic Surrey Hills. This 50-kilometer trail ultra features a fully signed long-distance route with additional race signage, ensuring clear navigation. The course includes an exciting out-and-back..

The Trifarm Winter Trail Run 10k is the final event in a four-round seasonal trail running series, held at Trifarm in Boreham, Essex. The course is predominantly off-road, covering over 95% on public footpaths and bridleways, and follows a mostly clockwise route designed to avoid flood-prone areas n..

The ATW Grafham Water Trail & Canicross is a scenic 10-mile trail running event held at Grafham Water Visitor Centre in Cambridgeshire. The course begins on the iconic dam, offering a fast start, then loops around the reservoir through woodland nature reserves, past Dragonfly Pond and Sanctuary Bay,..

The Mince Pie 10 is a festive 10-mile race held in Peacehaven, East Sussex, organized by Seaford Striders. The multi-terrain course features about six miles of farm tracks and bridleways, with the remaining four miles on quiet roads, including a challenging hill around mile six. Participants can exp..

The Winter Downs 200 is a challenging 200-mile continuous trail run held in South East England, starting and finishing at Juniper Hall, Dorking. Scheduled for December 10-14, 2025, the race forms a large loop incorporating five major trails: North Downs Way, Vanguard Way, South Downs Way, Wayfarers..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event held at Shalford Park, Guildford, featuring distances from 3.14 to 31.4 miles, corresponding to 1 to 10 laps of a scenic, mostly flat off-road course with a few hills. There is also a Pi marathon option and a 1-mile fun run shape..

The Let it Stow Half Trail Marathon is a festive-themed 13.1-mile trail running event held in Stowmarket, Suffolk. The course features a scenic winter route through woodlands, meadows, and quiet country lanes, offering picturesque views of Stowmarket Town and the Mid-Suffolk countryside. The well-ma..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds, UK. Offering multiple distance options—5k, 10k, half marathon, full marathon, and ultra marathon—runners can choose their preferred challenge. The course is entirely on road, featuring rolling hill..

The Christmas Pudding Dash is a festive multi-terrain running event held in Pett, near Hastings, East Sussex. Celebrating its 20th year, the race features a challenging cross country course through farmland and woods, known for its muddy, undulating trails. The main race covers approximately 4.2 mil..