Trail Running calendar near Chiltern Hills 2025-2026

The Action Heart Tuff Un is an annual multi-terrain running event held at Baggeridge Country Park in Dudley. Covering approximately 6 miles, the course features undulating trails, muddy paths, and a shallow stream crossing, offering a challenging yet rewarding experience for runners of all levels. W..

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 New Forest Stinger is a 10-mile trail race at Ocknell Campsite in the New Forest, organized by Totton Running Club. Held in autumn, the route is limited to 10 miles this year to stay on Forestry-approved trails, and is one of the few events using this part of the forest. The course offers trail..

DirtRun In The Dark is an off-road running event held at The Wyre Forest, Callow Hill Visitor Centre. Participants tackle a 10km course consisting of two laps around forest tracks and trails, all run in the dark, making torches compulsory. The race welcomes runners aged 14 and above and allows canic..

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 Colworth Estate in North Bedfordshire. Starting from Colworth House Sports and Social Club in Sharnbrook (MK44 1LB), the route combines undulating trail and unclassified roads with woodland paths featuring uneven surfaces..

The St Andrews Day Challenge, organized by Zig Zag Running, takes place at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. This multi-terrain event features a 5.3 km loop of gravel footpaths and grass areas. Participants can choose between a 6-hour or 4-hour timed challenge..

Surrey Hills Half Marathon is a guided trail half marathon starting and finishing in Guildford, Surrey. The 13-mile route threads through the Surrey Hills’ scenery, including St Martha’s Church and hill, the village of Shere, and Newlands Corner and Hackhurst Downs, with sections of the North Downs..

Sussex Downs Trail Run takes place at Plumpton Racecourse in the South Downs National Park, Mid-Sussex, with easy access from Brighton, Haywards Heath, and Lewes. The event offers three distances: 22km, 12km, and 9km. The course starts with a flat 3.5km tree-lined warm-up, then climbs to the South D..

Cowdray Winter Night Run is a 5km or 10km trail race on the Cowdray Estate in West Sussex. The routes traverse parkland and along the River Rother, with some private estate tracks; the course is mostly flat with a couple of gentle climbs. Runners start at the Cowdray Ruins and finish at the Walled G..

Freedom Racing's Hurtwood 50k is a 50-kilometre trail ultramarathon set in the well-known Surrey Hills. The route is a fully signed long-distance trail with extra race signage, designed as a fast, out-and-back course featuring a 5-mile loop for those up front. Competitors encounter regular checkpoin..

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 Chasewater Christmas Pudding Dash is a festive running event held at Chasewater Country Park in Staffordshire. Offering 10k, 5k, and junior race options, the course features mostly flat, slightly undulating compacted trails around the scenic Chasewater Reservoir. The 10k race consists of two lap..

The New Forest Xmas Trails is a festive trail running event hosted by BigFeat Events, set in the picturesque New Forest National Park. Participants can choose from four distances: 15K, 30K, Marathon, and 50K, all on challenging yet runnable off-road courses. The event begins at Holmesly Campsite, of..

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,..