Trail Running calendar near Beaconsfield 2025-2026

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 Circuit du Sore Legs is an annual running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Now in its sixth year, it offers a unique challenge of completing various distances on a 400-meter athletics track, including 5k, 10k, half marathon, full marathon, 50k ultra, an..

The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England. The course offers a scenic route that takes participants along canals, over waterfalls, through vineyards, woodland, and coastal saltmarshes. This marathon stands out by starting early on a summer evening and con..

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 100® is a challenging 100-mile non-stop ultramarathon held annually in Southern England, following the entire South Downs Way National Trail. Starting near Winchester and finishing in Eastbourne, the course features rolling chalk ridgeways, ancient forts, picturesque vi..

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 picturesque Northamptonshire countryside, including green fields..

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

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..

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 challenging 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 rugged chalk ridge trails with stunning ridgeline views, exhilarating descents, and demanding hills. The rout..

The RunThrough Marlow Trail Run, taking place on June 28, 2026, is a scenic off-road event set in the Thames Valley, starting at Marlow Rugby Union Football Club. It offers three distances: Half Marathon (1 lap, 53m elevation), 10K (1 lap, 23m elevation), and 5K (2 laps, 20m elevation), all on trail..

The Maidenhead Trail Run, held on July 26, 2026, offers a scenic and relaxed running experience in Summerleaze Park, Maidenhead, UK. Participants can choose from 5K, 10K, and Half Marathon distances, all featuring flat, soft trail terrain ideal for runners of all levels. The course loops around peac..

The Windsor Trail Run, held on August 30, 2026, takes place in the scenic Alexandra Gardens, Windsor, UK, with views of Windsor Castle. This event offers two race distances: a 10K and a Half Marathon, both featuring flat, trail terrain with minimal elevation (29m for 10K and 58m for Half Marathon),..

The Henley River Half Marathon, 10K & Junior Race takes place on September 5, 2026, at Temple Island Meadows, Remenham Lane, Henley-on-Thames, UK. This event features a half marathon, a 10K, and a junior race, all set along a scenic route by the Thames. The course offers mixed, undulating terrain wi..

The Windsor Trail Run, taking place on November 8, 2026, is a scenic trail running event set in Alexandra Gardens, Windsor, Berkshire. Offering both 10K and half marathon distances, the course features flat, off-road trails with gentle elevation gains (29m for 10K and 58m for half marathon), ideal f..