Trail Running calendar near Beaconsfield 2025-2026

Beat The Sunset 50km Ultra Marathon takes place in Maidenhead, Berkshire, starting and finishing at Summerleaze Park. The 50-kilometre, multi-terrain course runs a flat, single loop along the Thames Path, Jubilee River and the Green Way, with about 235m of elevation and roughly 75% off-road surface...

The Circuit du Sore Legs is a unique running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Participants run on a traffic-free 400-meter athletics track, with distances ranging from 5k to a 6-hour challenge, including half marathon, full marathon, and 50k ultra options...

Surrey Hills Half Marathon is a guided trail half marathon based in Guildford, Surrey, covering about 13 miles. The route travels through the Surrey Hills, with highlights including St Martha's Church and hill, the village of Shere, and views from Newlands Corner and Hackhurst Downs, including secti..

The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England, featuring a scenic course that passes along canals, over waterfalls, through vineyards, woodlands, and coastal saltmarshes. This marathon offers a distinctive experience by starting early on a summer evening and..

Two Tunnels Races in Bath, UK offer a unique city-centre running experience beneath the city via the Devonshire Tunnel (408m) and Combe Down Tunnel (1672m)—the longest underground section of any UK race. The well-lit, surfaced tunnels form a flat, shared-use path starting and finishing at Brickfield..

The Valley of the Owls Run, organized by Zig Zag Running, takes place 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. Participants c..

Dell 10km is held at Dummer Down Farm in the Hampshire countryside, hosted by Dummer Down Brewery. The event offers a 10km multi-terrain route (including a Canicross 10km option) across private farmland, woodlands, fields and local roads, with about 90% off-road and around 163m of elevation gain. Th..

The Cotswold Way Ultra Challenge is part of Ultra Challenge’s UK trek and trail run series. It starts from Cirencester Basecamp in the heart of the Cotswolds and offers Full 100 km, plus 75 km, 50 km, 25 km options, and a 10 km Cirencester leg. The 100 km loop threads rolling hills, villages and foo..

Set in the Nene Valley countryside near Fotheringhay, Peterborough, the Nene Valley Trail Run offers friendly, scenic off-road racing over 10 miles or 20 miles. Starting from Castle Farm Campsite, the routes traverse green fields, ancient bluebell woodlands, rivers, disused railway tracks and quiet..

Centurion Running's South Downs Way 50km is a 50km trail ultra in the South Downs National Park. The race starts at Matterley Bowl near Winchester and finishes at Queen Elizabeth Country Park along South Downs Way. The course is 80% trail and 20% road, with about 4,000 ft of climb.The route features..

The South Downs Way 100 is a 100-mile non-stop ultramarathon along the South Downs Way National Trail, from near Winchester to Eastbourne, England. The course runs along chalk ridgeway with rolling hills, ancient forts, villages and coastal views, about 15% road and 85% trail. Runners are supported..

Bewl Water Summer is Hermes Running’s bi-annual trail race at Bewl Water, near Lamberhurst, Kent. Runners start at the Bewl Water Visitor Centre and follow a clockwise circuit around the reservoir on undulating woodland trails and lanes, with lake views throughout. Distances include 10 km, half mara..

The Hampshire Hoppit is a trail-running event set in the Hampshire countryside, based in the village of Kingsclere, midway between Basingstoke and Newbury on the A339. Distances on offer are marathon, half marathon and 10k. Races are mainly off-road and run as clearly marked, single-lap routes with..

YHA 14 mile trail run is a 14-mile off-road event held near Southease along the Lewes–Seaford line in East Sussex. The course begins with a climb and includes muddy sections, chalk descents, and rewarding views, designed as a single-loop trail with several elevation gains. A trail narrative and link..

Wendover Woods Half Marathon & 10k, staged in Wendover Woods, Upper Icknield Way, Aston Clinton, Buckinghamshire, offers trail runners a forest challenge. The course comprises a hilly 10k multi-lap route through Wendover Wood forest, with Half Marathon option also on offer. Runners can expect scenic..

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..

Beyond London offers two routes: a 55km Ultra and a 25km Trail. The event starts in Woolwich for the ultra and Upper Norwood for the shorter race, finishing in Richmond upon Thames. The route follows the Capital Ring inner circle, exposing iconic London sights such as Eltham Palace, Wimbledon Common..

P24 - The Longest Attended Day takes place at Denbies Wines Estate, London Road, Dorking, Surrey, on the summer solstice weekend of 20-21 June 2026. The concept is simple: run 1 mile on the hour for 24 hours on a flat-ish, off-road 1-mile loop through the estate. Attended participants benefit from f..

Race to the King is Threshold Trail Series’ king-sized ultramarathon along the South Downs Way and Monarch’s Way. On 20 June 2026 at West Dean Gardens, runners can choose from four distances: Monarch’s Loop 30km, Coastal 50km, Castle 50km, and two non-stop options—80km and 100km—that stitch the two..

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. Designed for both seasoned ultra runners and first-timers, the race features a flat-ish, single 1-mile loop course through the scenic wine estate trails. Pa..