Trail Running calendar near Herstmonceux 2025-2026

The Full Essex Way Ultra is an 82-mile ultramarathon along the Essex Way, starting at Epping tube station in London and finishing at the high lighthouse in Harwich. The route features mixed terrain—trail, footpath, track and road—with 3,469 feet of total elevation. It includes five checkpoints, a dr..

Serpent Trail is a long-distance trail-running festival set in the South Downs National Park, centered at Petersfield Rugby Club in Hampshire. Runners can choose from five distances—100km, 75km, 50km, 20km and 10km—with the 100km route offering about 1785m of ascent, nine checkpoints and an 18-hour..

The Bishop's Stortford Mitre 10k, 5k, and 1k is a community road race held in East Hertfordshire, starting from Jobbers Wood sports ground near Much Hadham. Open to all ages and abilities, the event features professionally measured 10k and 5k courses on traffic-free country lanes with gentle undulat..

Chiltern Ridge Half Marathon is a 21.1km trail race along The Ridgeway National Trail in Buckinghamshire, starting and finishing in Wendover. The course runs from Wendover to Whiteleaf Hill Nature Reserve near Princes Risborough, with a forested loop en route before returning to the start. It is a f..

The Thursley Common 10km is a scenic trail running event held at Thursley National Nature Reserve in Surrey, one of the largest heathland areas in the region. The 10km course is notably flat, making it ideal for trail running beginners and those seeking a relaxed group run experience. Participants e..

Race to the Stones runs along The Ridgeway, Britain’s oldest footpath, ending at Avebury Standing Stones. In 2026 it offers 50 km and 100 km distances, either non-stop or split over two days, with a ~25 hour cut-off, on 11–12 July. Runners traverse chalk downs, ancient forests, and heritage landscap..

The Spitfire Scramble is a unique 24-hour multi-terrain relay or solo race held at Albyns Farm, London Borough of Havering. Participants can run solo or in teams of two to eight, tackling a 5.75-mile lap repeatedly through day and night. The course spans areas managed by Havering and Forestry Englan..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

Race The Light at Wendover Woods is an evening trail race at Wendover Woods, Forestry England. The event raises funds for the Chilterns Neuro Centre, supporting people affected by MS, Parkinson’s and stroke survivors. Runners can choose between a 10km (250m+) or 5km (125m+) trail route, with a 1.5km..

Maidenhead Trail Run, part of RunThrough UK, takes place at Summerleaze Park in Maidenhead. The event offers 5K, 10K and Half Marathon on a flat, soft-trail course that loops through tranquil paths beside Maidenhead and Cookham Commons and around Summerleaze Lake. It’s pitched as a relaxed, scenic r..

North Downs 50 Ultra Challenge takes place on the North Downs in Surrey, starting and finishing at Loseley Park, Guildford, with 25 km and 10 km options. The 50 km loop uses the North Downs Way through Surrey hills, offering scenery and views southward with easy access from London. Participants walk..

The MTC Windsor Ultra is an ultra running event held in Windsor, United Kingdom, organized by Ultra Running Ltd and listed under UK Athletics. The event is scheduled for Saturday, 8 August 2026. Entry is currently open with an individual entry fee of £90 plus service fee; a defer option to 2026 is a..

The North Downs Way 100 is a 103-mile continuous trail race along the North Downs Way, from Farnham in Surrey to Ashford in Kent. It aims to finish in under 30 hours, with an 11,000-foot total ascent and a 30-hour cut-off. The course follows the North Downs Way with two deviations around the 50-mile..

The Black Bull 15 is a charity trail run held near the Black Bull pub in Chelmsford. It offers two distances: a 15-mile trail route and a 15km option for shorter, faster runs, jogs or walks. The course uses varied trail surfaces through parkland and countryside, with a narrative route and Strava-bas..

The Windsor Trail Run, organized by RunThrough UK, takes place at Alexandra Gardens in Windsor, UK. It offers 10K and Half Marathon distances along a flat, trail course with light elevation (29m for 10K, 58m for the half). The route showcases Windsor’s royal scenery, including distant Windsor Castle..

Set along the River Thames at Temple Island Meadows, Henley-on-Thames, the Henley River Half Marathon, 10K & Junior Race from RunThrough UK offers a late-summer Riverside challenge. The event features three distances: half marathon (the route includes a mini lap plus two laps), 10K (one lap), and a..

Silent Pool 10km is a guided trail run hosted by Running Adventures, starting and finishing at Silent Pool Car Park in Albury, near Guildford. The 10km route winds along North Downs Way sections and through Netley Heath forest, finishing in the village of Shere where film locations from The Holiday..

Bewl Water Autumn is Hermes Running’s scenic bi-annual trail race around Bewl Water in Kent, starting near the Bewl Water Visitor Centre in Lamberhurst. Races are offered at four distances: 10km, half marathon (13.1 miles), marathon (26.5 miles), and Ultra 50km (31.25 miles). The route follows the B..

The South Downs 100 mile (Autumn Event) is a challenging single-loop trail race held in the scenic South Downs National Park, starting at Plumpton Racecourse in Lewes, East Sussex. Covering 100 miles with over 12,000 feet of elevation, the course features rolling hills and stunning views, supported..

Starting and finishing at St Martha's, Guildford, the North Downs Way Ultra Run is a 30-mile trail journey through the Surrey Hills. The route highlights the best sections of the North Downs Way, including Box Hill and Denbies Wine Estate, with sweeping downs views before looping back to Guildford v..