Trail Running calendar near Princes Risborough 2025-2026

The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England. This marathon offers a scenic course that takes participants along canals, over waterfalls, through vineyards, woodland, and coastal saltmarshes. The race starts early on a summer evening and continues into the n..

The Valley of the Owls Run is a multi-distance running event held at the Suffolk Running Centre in Bury St Edmunds, Suffolk. The scenic course passes through the village of Ousden, known as the Valley of the Owls, featuring some of England’s oldest roads and beautiful countryside. Runners can choose..

The Two Tunnels Races, held in Bath, UK, offer a unique running experience featuring the longest underground sections in the UK. The course passes through the historic Devonshire Tunnel (408m) and Combe Down Tunnel (1672m), both well-lit and surfaced, providing a flat and scenic route beneath the ci..

The Centurion South Downs Way 50km is a challenging non-stop trail race held entirely within the South Downs National Park in Southern England. Starting at Matterley Bowl near Winchester, the 50km course follows the chalk ridgeway and the South Downs Way National Trail, finishing at Queen Elizabeth..

The Cotswold Way Ultra Challenge is a premier endurance event held in the scenic Cotswolds, starting and finishing at Cirencester basecamp. Participants can choose from multiple distances including 100km, 75km, 50km, 25km, and a 10km option, suitable for walkers, joggers, and runners of all experien..

The Centurion South Downs Way 100® is a 100-mile non-stop ultramarathon held annually in Southern England, following the entire South Downs Way National Trail from near Winchester to Eastbourne. The course features rolling hills, ancient forts, picturesque villages, and expansive views across the We..

The Nene Valley Trail Run is a friendly and scenic off-road running event held at Castle Farm Campsite in Fotheringhay, near Peterborough. Scheduled for June 13, 2026, it offers two race distances: 10 and 20 miles. The courses traverse the beautiful Nene Valley trails, featuring easy tracks through..

The YHA 14 Mile Trail Run is an annual trail running event held in the Southease area, accessible via the Lewes-Seaford train line. The challenging 14-mile course begins with a climb and features slippery, muddy, and chalky terrain, making trail shoes recommended. Participants receive bottled water..

Solstice at the Lakes is a timed trail running event held at Leybourne Lakes Country Park in Kent, featuring 6-hour, 12-hour, and 24-hour race options. Participants can compete solo or in teams (pairs or up to four runners) on a flat, fast, and scenic 2.5km loop combining trail, gravel, and tarmac s..

The Three Shires Way Ultra & Marathon, organized by Race Harborough, is a trail running event held in the rural landscapes and ancient woodlands of Buckinghamshire, Bedfordshire, and Northamptonshire. The event features two distances: a 50-mile ultra and a marathon, both suitable for beginners and e..

The Phoenix Denbies Marathon & Half Marathon, held at Denbies Wine Estate in Dorking, Surrey, offers a unique off-road trail running experience on a flat-ish 1-mile loop with slight inclines. Scheduled for June 2026, the event features flexible start times over a 30-hour window, allowing runners to..

The Centaur 100 Mile Ultra, hosted by Phoenix Running, is a unique 100-mile trail running event held at Denbies Wine Estate in Dorking, Surrey. The course features a flat-ish, single 1-mile loop through the estate's trails, designed to be accessible for both seasoned ultra runners and first-timers...

Beyond Trails London is a trail running event set in Greater London, offering two distances: a 25km trail and a 55km ultra. The routes follow parts of the Capital Ring footpath, showcasing iconic landmarks such as Eltham Palace, Wimbledon Common, and Richmond Park, alongside hidden trails, parks, wo..

P24 - The Longest Attended Day is a unique endurance running event held at Denbies Wine Estate in Dorking, Surrey. Participants run one mile every hour on the hour for 24 consecutive hours, covering a total of 24 miles on a mostly flat off-road trail through the scenic wine estate. The event feature..

The Summer Solstice Challenge in Colchester is a unique running event held at the scenic Abberton Reservoir Visitors Centre. Taking place on the longest day of the year, participants run laps of just over 5k on off-road paths around the reservoir, enjoying beautiful countryside views and abundant wi..

The Dunstable Downs Half Marathon is a scenic 21.2 km trail race held at the National Trust’s Dunstable Downs estate in the UK. Featuring over 450 meters of elevation, the course offers a challenging mix of sweeping ridge views, fast descents, and tough climbs, making it suitable for trail runners o..

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

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..

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 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..