Trail Running calendar near Alton 2025-2026

BigSea Trails (WATER) is a trail running event held on the Isle of Purbeck, Dorset, starting and finishing on the sandy Knoll Beach at Studland. Part of the Classic Element Trail Series, this race celebrates the element of water with routes that showcase stunning coastal and countryside scenery, inc..

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 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..

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 South Downs Way 50km is a non-stop trail race held on 13 June 2026 and organised by Centurion Running. The advertised distance is 50 km (31 miles) with about 4,000 ft (1,200 m) of elevation. The course sits entirely within the South Downs National Park and is part of the World Trail Majors - Sh..

The Cheddar Gorge Challenge is a demanding off-road running event held at Warren Farm, Charterhouse, Somerset, within the stunning Mendip Hills Area of Outstanding Natural Beauty. Offering distances from 1km fun runs to a full marathon, the course features diverse terrain including open fields, flat..

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..

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..

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 participant..

Three Shires Way Ultra & Marathon is Race Harborough’s event, offering a 50-mile Ultra and a Marathon along the Three Shires Way through Buckinghamshire, Bedfordshire and Northamptonshire. The routes run through rural landscapes and woodlands, with a well-marked bridleway for navigation. The Ultra s..

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

Dunstable Downs Half Marathon is a scenic trail race set in the National Trust’s Dunstable Downs estate. In its sixth edition (2026), the 21.2km course with about 450m of ascent mixes ridge views, fast descents and climbs. The route begins at the National Trust Countryside Centre, visits Tree Cathed..