Trail Running calendar near Dorking 2025-2026

South Downs 50k is a 50 km point-to-point trail race from Falmer to Eastbourne, largely along the South Downs Way through the South Downs National Park and finishing over the Beachy Head cliffs. The route includes about 3,600 ft of ascent and descent, 99% runnable trail with some farm tracks and for..

Grand Union Canal Race (GUCR) is a 145-mile non-stop ultramarathon along the Grand Union Canal Towpath from Gas Street Basin, Birmingham to Little Venice, London. Dubbed “The Long Run” and regarded by many as Britain’s premier ultra, the race follows a way-marked, flat towpath through urban and rura..

The Castle Trails 30km is a scenic point-to-point trail race in Kent, launching in 2026 as part of the Three Castles 50km Ultra weekend. Starting at Little Fant Farm near Maidstone and finishing in Tonbridge, the course follows the River Medway, passing historic sites like East Farleigh’s stone brid..

The Three Castles 50km Ultra Marathon is a scenic race held in Kent, England, starting in Rochester and finishing at Tonbridge athletics track. The flat course follows the River Medway, passing three medieval castles, charming villages, and lush countryside along the Medway Valley Walk. Runners expe..

The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race along The Ridgeway National Trail. The race starts at Ivinghoe Beacon in Hertfordshire and finishes at Avebury in Wiltshire. The course has about 6060 ft (1850 m+) of elevation and a maximum of 250 runners. The minimum..

The Beat The Sunset 50km ultramarathon takes place on Saturday 30 May 2026 in Maidenhead, with the venue listed as Summerleaze Park, SL6 8SP. The race distance is 50 km on a single-lap course. The route is described as flat and multi terrain, using the Thames Path, Jubilee River and the Green Way...

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..

The Dell 10km is a multi-terrain running event held at Dummer Down Farm in Hampshire, hosted at the Dummer Down Brewery taproom. Distances offered: 10km Canicross 10km The route uses private farmland, trails, woodlands, fields and local roads. A finish-line cup and a free drink (alcoholic or non-..

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..

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 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..

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 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 is scheduled for Saturday 20 June 2026 at Denbies Wine Estate in Dorking, Surrey (RH5 6AA). The format requires participants to run 1 mile at the same time each hour, repeated 24 times across 24 consecutive hours on an off-road trail through the wine estate. The event..