Trail Running calendar near South Downs National Park 2025-2026

We have found 302 Trailruns within 80 miles of South Downs National Park. See below where and when you can find the races.

The Henfield Half Marathon, organized in conjunction with Henfield Joggers, is an off-road running event featuring a scenic course that meanders along a riverbank and a disused railway, incorporating flint paths and stiles. The event takes place at the Henfield Leisure Centre, providing facilities s..

The Cold Norton Charity Summer Half Marathon Trail Event, scheduled for August 10, 2025, offers participants a choice between a 10km and a 13.1-mile route through the scenic countryside of Cold Norton, Essex. This charity event supports Farleigh Hospice, providing essential care for those with life-..

The Windsor & Eton 10km is a scenic trail run set in the historic town of Windsor, starting and finishing at the Windsor & Eton Brewery. The course features a flat terrain, making it accessible for runners of all abilities, and includes a mix of towpaths, footpaths, and short road sections. Particip..

The Big Pilgrimage is an exciting mixed terrain running event featuring a 15-mile course and a marathon, set to take place along the historic 'Old Way' Pilgrim Trail from Southampton to Canterbury. Participants will enjoy scenic views as they traverse beautiful coastal and countryside paths, with no..

The Woldingham Marathon is a running event featuring both a full marathon (26.2 miles) and a half marathon (13.1 miles). Set in the scenic surroundings of Woldingham School, the race offers participants an out-and-back course that showcases beautiful views of Kent and Surrey. Runners will navigate t..

The London Backyard Ultra is a premier running event held at Frylands Wood, London, where participants challenge their limits by running four miles on the hour, every hour. This unique format tests endurance and mental strength, making it a thrilling experience for both runners and spectators. The e..

The Henley River Half Marathon, 10k & Juniors is a scenic running event taking place on August 30, 2025, in Henley-on-Thames, UK. Participants can choose from a half marathon, a 10k race, or junior races, all set against the beautiful backdrop of the River Thames. The event features accurately marke..

The Southampton Running Festival, organized by RunThrough UK, will take place on August 31, 2025, in the scenic Southampton Common. This event features multiple race distances, including a 5K, 10K, and Half Marathon, along with junior races. Participants can expect a picturesque route that showcases..

September 2025

The Andover Trail Marathon is a popular running event in North Hampshire, featuring both a full marathon (26.2 miles) and a half marathon (13.1 miles). Participants can expect challenging terrain with significant elevation changes, including climbs and fast downhill sections that showcase the region..

The South Coast Challenge is a premier endurance event taking place on September 6-7, 2025, featuring stunning routes through the South Downs National Park. Participants can choose from various distances, including 100 km, 50 km, 25 km, or 10 km, accommodating all experience levels. The challenge be..

UTMB Index

The Shere 42k, 21k & 10k Multi Terrain Event is a popular trail running competition set in the picturesque Surrey Hills, recognized as an Area of Outstanding Natural Beauty. Participants can choose from three distances: a scenic 10k, a challenging 21k, or a full marathon at 42k. Each route features..

The Sufferings is an upcoming running event set to take place at Washington Village Hall, featuring challenging courses that traverse the rugged terrains of Chanctonbury and Cissbury rings. Participants can choose from a Half Marathon, Full Marathon, or a 39 Mile Ultra, each designed to test enduran..

The SOX 10km is a multi-terrain running event set in the picturesque South Oxfordshire countryside, starting and finishing at the South Oxfordshire Brewery taproom. This event, which is also Canicross friendly, features a scenic trail suitable for all abilities, incorporating private terrain, woodla..

The Jurassic Coast Ultra Run is a challenging 30-mile trail run that showcases the stunning landscapes of the Jurassic Coast and the Isle of Purbeck. Starting and finishing at Studland Bay, participants will traverse the Purbeck Way, visit the historic Corfe Castle, and enjoy breathtaking views alon..

The Hackpen Hill Trail Run is a challenging 10k event set in a picturesque off-road course that winds through tracks and farm fields near the historic Ridgeway trail. Celebrating its tenth year, participants can choose to walk, jog, or run the single-lap route, which features varied terrain includin..

The Beast is a challenging 13-mile race hosted by Poole AC, showcasing the stunning landscapes of Dorset. The course begins at Corfe Castle Common, traversing through Worth Matravers and along the coastal path, offering breathtaking views. Runners will encounter a few hills on their return to Corfe...

The Carnival Chase 10K is a scenic running event taking place in Warminster, featuring a 10K race, a 3K fun run, and a new 1.2K Family - Wheelchair - Buggy Fun Run. Participants will enjoy a picturesque route along country lanes, tracks, and trails, starting and finishing by the boating lake. The ev..

The Bradenham Blast is a highly regarded trail running event featuring 5km, 10km, and a new half marathon option, set in the picturesque Chiltern countryside. Known for its challenging hills and scenic views, the race takes participants through tranquil beech woodlands and rugged trails. The event i..

Muntjac 15 is a scenic trail race that connects five beautiful woodlands, perfect for enthusiasts of hills, woods, and single-track racing. The event is designed for those who appreciate the natural landscape while challenging themselves physically. Registration for the event has closed, and it is s..

The Phil and Bonnie Bounder 6K Forest Run is a scenic running event taking place in Moreton Forest, Dorset, on September 7, 2025. Participants will navigate woodland paths, with the final kilometer on a quiet country road. Open to runners aged 14 and older, the event aims to raise funds for "Bonnie’..