Trail Running calendar near Semington 2025-2026

Wight Riot is a mixed-terrain running event on the coastal path at Milford on Sea, offering views of the Isle of Wight and a pass by Sturt Pond Nature Reserve. The race uses a 5.3 km (3.28 mile) out-and-back lap, with participants choosing any distance from 5K up to an ultra, within a 7-hour window...

Centurion Running’s Hundred Hills 50km is a scenic trail ultramarathon through the Chiltern countryside, starting and finishing at Stonor Park near Henley-on-Thames. The race covers two 25km loops for a total of 50km, with about 4000 ft (1200 m) of elevation gain and a 9-hour cut-off. The route is 8..

Humanity Direct Amersham Ultra is a one-day endurance event based at Dr Challoner’s Grammar School in Amersham, Buckinghamshire, set in the Chiltern Hills. Runners and walkers can choose from three distances: 50km ultra, 25km half ultra, or a 10km option. The route winds through the Misbourne and Ch..

Surrey Hills Half Marathon is a guided trail half marathon starting and finishing in Guildford, Surrey. The 13-mile route threads through the Surrey Hills’ scenery, including St Martha’s Church and hill, the village of Shere, and Newlands Corner and Hackhurst Downs, with sections of the North Downs..

Saturn Too presents The Dashing Dog Charity Run - Wales at Dare Valley Country Park in Aberdare. This inclusive seven-hour time-challenge allows runners to complete as many laps as they wish, with a minimum 3 km per lap and a full lap around 7 km on paths, subject to safety changes. The scenic cours..

Winter's End - 50 Mile Ultra & Marathon is a scenic trail running event held along the South Downs Way National Trail, starting near Arundel, West Sussex, and finishing in Winchester, Hampshire. The event features a 50-mile ultramarathon and two marathon options covering either the first or second h..

The Windsor Trail Run takes place on Sunday 22nd March 2026 at Alexandra Gardens, Alma Road, Windsor SL4 3HU. The event offers trail running on a flat course with views that include Windsor Castle. The route maps cover a Half Marathon and a 10K. Listed elevations are 29 m for the 10K and 58 m for t..

Set in the Forest of Dean, the Spring Trails Half Marathon is a multi-terrain trail race organized by the Rotary Club of the Royal Forest of Dean, with Forestry Commission support. The route begins on the road adjacent to the Speech House Hotel, then winds through well-maintained forest trails with..

Elephant Challenge takes place at Salcey Forest, a Forestry England site near Northampton (NN7 2HX). This 6-hour, multi-lap event centers on a 3.5-mile off-road loop through the forest, allowing participants to choose distance—from 3 laps for a half marathon to 7 for a marathon or many more within t..

The Elephant Challenge is a six-hour off-road event organised by Big Bear Events on 24/03/2026. Participants complete as many laps of a 3.5-mile loop as they wish within the six-hour time limit. A marathon distance requires seven laps plus a short out-and-back; a half marathon requires three laps p..

Hankley Common 10km is a guided trail run by Running Adventures, starting and finishing at Hankley Common Lower Car Park, Elstead, Surrey. The 10km route crosses Hankley Common, known for wildlife and views. The session is social and non-competitive, ideal for those new to trail running or who enjoy..

Bath 50 Challenge, part of the Ultra Challenge series, takes place in the City of Bath with start and finish at Bath Racecourse Basecamp. Participants can choose a 50 km loop (about 1,000 m ascent), a 29 km loop (650 m), or a 10 km loop (~200 m). The course loops around Bath, offering panoramic view..

The Way of the Dead is a challenging 50k running event traversing Dartmoor from east to west, organized by Wild Running. Participants can compete solo or in pairs, with live GPS tracking and three checkpoints that also serve as feed stations. The route features minimal ascent of 1389 meters but requ..

Run the Wild Half Marathon is a trail-focused 21km event set in the Chiltern Hills, starting from The Home Office in Tring, 30 minutes northwest of London. The route climbs roughly 300m and winds across chalk hills and through woodlands, offering stunning scenery rather than a road-race atmosphere...

Beyond Bristol, the Bristol Trail & Ultra by Beyond Trails offers two distances: a 25km Trail and a 55km Ultra, starting and finishing at Museum Square in central Bristol (BS1 4RN). The course travels off tarmac through woodland, riverside paths, parks, and disused railways, with highlights such as..

Sportiva Events stages the Exeter Trail Races at Escot Park, Ottery St Mary, Devon, EX11 1LU. The next edition is on 28/03/2026. The races take place around the grounds of Escot and are entirely off-road, with some small climbs on the course. Distances: 10K - single lap of the course Half maratho..

Combe Gibbet to Overton is an annual running race hosted by Overton Harriers, taking participants from the historic Combe Gibbet toward Overton. The page highlights a celebratory atmosphere, thanking runners, supporters, and volunteers for a fabulous event. Distances are not listed on the informatio..

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. This single-loop course offers a runnable, non-technical route through the scenic South Downs, making it ideal for beginners and experienced runners alike. Participants enjoy stunning views of rolling hil..

The Minster Challenge 2026, held in Axminster, Devon, offers three running distances: 12km, 5km, and a 3km fun run suitable for all ages. Organized by Ruby Red Running in partnership with Axe Valley Academy, the event features a challenging course with hills and mud, promising an engaging trail runn..

Saturn's 7 Hour Time Challenge at Wraysbury Skiff & Punting Club (Wraysbury, TW20) is an inclusive, self-paced race along the River Thames. Entrants choose a distance from a 3 km lap, with full laps around about 7 km (4.37 miles) or a shorter 3.28 mile option depending on conditions. You can run as..