Trail Running calendar near Dunstable Downs 2025-2026

Run Sandringham 10K & 5K is a scenic running event held within the Royal Sandringham Estate in East Anglia. Open to runners aged 16+ for the 10K and 12+ for the 5K, the race offers a mixed-terrain course featuring approximately 30% trail and 70% road surfaces, winding through the estate's picturesqu..

The Midsummer Munro will take place in Walton on the Hill on Sunday 21 June 2026. You can run 13 miles.

Run The Seasons at Cowdray is a scenic trail running event held on the Cowdray Estate in Midhurst, set above the world-class polo fields and overlooking the Cowdray Ruins and South Downs National Park. Participants can choose from 5km or 10km distances, including dog-friendly canicross options. The..

The Colworth Marathon Challenge is a unique running event held at the scenic Colworth Estate in North Bedfordshire, UK. It features three races over three days, combining distances of 5 miles, 8.1 miles, and a half marathon of 13.1 miles, totaling the full marathon distance of 26.2 miles. The event..

The Cock-a-doodle Dawdle, organized by Zigzag Running, is a trail running event held at the scenic Hyde Hall Farm in Buntingford, Hertfordshire. Now in its third year, the race offers multiple distance options including 5k, 10k, 15k, Half Marathon, Heavy Half Marathon, Full Marathon, and Ultra Marat..

The RunThrough Marlow Trail Run, held on June 28, 2026, takes place at Marlow Rugby Union Football Club in the scenic Thames Valley. This off-road event offers three distances: Half Marathon, 10K, and 5K, with the 5K consisting of two laps and the others one lap each. The trail features well-marked..

The Full Essex Way Ultra is an 82-mile ultra-marathon starting at Epping tube station in London and finishing at the high lighthouse in the historic port of Harwich. The race follows the scenic Essex Way trail, featuring mixed terrain including trails, footpaths, tracks, and roads, with a total elev..

The Birmingham Black Country Half Marathon is a scenic point-to-point race held between Wolverhampton City Centre and Brindley Place in Birmingham, following canal towpaths. The largely flat course features varied terrain including gravel tracks, trails, and pavement, with notable highlights such as..

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..

The Chiltern Ridge Half Marathon is a challenging 21.1 km trail race held along The Ridgeway National Trail in Buckinghamshire, between Wendover and Princes Risborough. Starting and finishing in Wendover, the course features an undulating forest loop at Whiteleaf Hill Nature Reserve and offers stunn..

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both offering chip timing. The event welcomes runners aged 15 and..

The MTC Severn Way Ultra is a 57-mile point-to-point ultra marathon held in the UK, starting at Travelodge Worcester and finishing at Travelodge Stonehouse. The course follows the scenic Severn Way, passing through towns like Upton-on-Severn, Tewkesbury, Gloucester, and several riverside villages. T..

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..

The Norfolk Festival of Running, held at the scenic Bawsey Country Park in Norfolk, offers a variety of race distances including 5k, 10k, 15k, Half Marathon, Full Marathon, and Ultra Marathon. This trail event features an undulating course with terrain comprising sand, gravel, and grass, suitable fo..

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..

The Great Barrow Challenge, hosted by Zig Zag Running, is a unique 10-day running event held at the Suffolk Running Centre in Bury St Edmunds. Participants can choose to run distances ranging from 5k and 10k to half marathon, full marathon, or ultra marathon, with the freedom to set their own pace...

The Maidenhead Trail Run, taking place on July 26, 2026, offers a scenic and relaxed running experience in Summerleaze Park, Maidenhead, UK. Participants can choose from 5K, 10K, and Half Marathon distances, all featuring flat, soft trail terrain suitable for all levels, from beginners to seasoned t..

The North Downs 50 Ultra Challenge is a premier endurance event held in the Surrey Hills, starting and finishing at Loseley Park, Guildford. Participants can choose from 50km, 25km, or 10km looped routes that showcase the scenic North Downs Way and surrounding countryside, offering varied terrain an..

The Black Bull 15 Trail Runs, held in Chelmsford, UK, offer two main distances: a competitive 15-mile trail run and a non-competitive 15km run/jog/walk. The event takes place in the scenic local countryside and country roads, starting and finishing at the Black Bull pub garden. Participants can enjo..

The Henley River Half Marathon, 10k & Junior Race takes place at Temple Island Meadows, Remenham Lane, Henley-on-Thames, UK. Scheduled for September 5, 2026, this event features a half marathon, 10k, and a junior race for under-11s. The course offers fast, undulating mixed terrain trails alongside t..