Trail Running calendar near Westfield 2025-2026

North Downs Ridge 50k Ultra, organized by Freedom Racing, runs along the North Downs Way from Denbies Wine Estate near Dorking to Guildford and back, incorporating a Surrey Wildlife Trust reserve at Norbury Park. The 50-kilometer trail ultramarathon features about 2,986 feet of ascent, fully signed..

The Thursley Common 10km is a scenic trail run held at Thursley National Nature Reserve in Surrey, one of the largest heathland areas in the region. Covering 10 kilometers, this event is ideal for trail running beginners and those seeking a flat, accessible course. Participants explore diverse lands..

The Fitstuff G3 Series No.3 is a running event held at Newlands Corner, Drove Road, Guildford, Surrey. Participants can choose between 10km and 15km race distances. The event offers a scenic course starting and parking at Newlands Corner, providing a well-organized atmosphere for runners.Entry fees..

The South Downs Way Ultra Run is a 30-mile trail running event starting and finishing at Harting Down in West Sussex, UK. The course showcases some of the best sections of the South Downs Way and nearby areas, including Beacon Hill, Cocking Down, and the ancient woodlands of Kingley Vale, known for..

The Silent Pool 10km is a guided trail run starting and finishing at the mysterious Silent Pool near Guildford, a site rich in history and natural beauty. The route features scenic trails including parts of the North Downs Way, the forest of Netley Heath, and the picturesque village of Shere, known..

Endurancelife Sussex offers a series of trail running events including 10K, half marathon, marathon, and ultra distances along the iconic coastal landscapes of Eastbourne and Seaford in the South Downs National Park. The courses feature the famous Seven Sisters chalk cliffs and stunning views of the..

The Leith Hill Half Marathon is a challenging cross-country race that takes participants from Dorking to the summit of Leith Hill, the highest point in south-eastern England, and back. Spanning 13.1 miles with an elevation gain of 1,800 feet, this event is celebrated for its stunning scenery and sup..

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..

Sevenoaks Circular Challenge is an annual LDWA Kent event starting from West Heath School, Sevenoaks. This year features three brand-new routes taking in sections of the North Downs and the Greensand Ridge, offering expansive West Kent views. Distances are 15, 20 and 30 miles.The event boasts indoor..

The Gratitude 25km is an exciting running event taking place in Broxbourne, UK. This race is designed for runners of all levels, promoting fitness and community spirit. Participants will enjoy a scenic route while challenging themselves to complete the 25km distance. The event emphasizes the importa..

The ZigZag 2026 Moo-rathon, Calf and Hen K at the Farm is a trail running event held at Hyde Hall Farm, SG9 0RU. Returning for its third year, the event offers multiple distance options including 10k, half marathon, full marathon, and ultra marathon. The course features a mix of tarmac paths, grassl..

The Surrey Hills Half Marathon is a scenic 13-mile guided trail run starting and finishing in Guildford, Surrey. Ideal for those new to trail running, the route showcases the natural beauty of the Surrey Hills, including landmarks like St Martha's Church, the village of Shere, Newlands Corner, and H..

The Windsor Trail Run, held at Alexandra Gardens in Windsor, UK, offers 10K and Half Marathon distances on a flat trail course with well-marked routes and scenic views of Windsor Castle. RunThrough UK promotes a friendly, marshal-led atmosphere within a lively event village that features food and dr..

The Hankley Common 10km is a guided trail running event held at Hankley Common in Elstead, Surrey. This scenic course features trails through an area rich in rare wildlife and historical landmarks, including the Atlantic Wall replica used for D-Day training. The run offers stunning views and a uniqu..

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..

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..

The Mortimer 10km is a scenic trail running event held in the charming Berkshire village of Mortimer, starting and finishing at Mortimer Fairground. The race features a beautiful two-lap, multi-terrain course that covers woodland trails, footpaths, and bridleways with an elevation gain of 85 meters...

Henley River Half Marathon, 10K & Junior Race, organized by RunThrough UK, takes place at Temple Island Meadows, Remenham Lane, Henley-on-Thames. The event offers three distances—the Half Marathon, 10K, and a Junior Race—on a scenic, mixed-terrain course along the River Thames. The route is undulati..

Centurion Running’s 50 Mile Grand Slam 2026 is a four-race ultramarathon series, consisting of four 50-mile events on famed UK trails: South Downs Way 50 (11 Apr), North Downs Way 50 (16 May), Chiltern Wonderland 50 (19 Sep), and Wendover Woods 50 (14 Nov). The four races are grouped as All Four 202..

Run The Seasons at Cowdray is a scenic trail running event held on the Cowdray Estate in West Sussex, within the South Downs National Park. The 2026 Spring edition features courses of 5km, 10km, 10 miles, and dog-friendly canicross options. The route traverses Ambersham and Heyshott Commons, designa..