Trail Running calendar near Welwyn 2025-2026

The Foxton Hound Ultra is an exciting running event featuring 100k and 50k races that take participants through the scenic countryside surrounding Market Harborough. Scheduled for August 16, 2025, the event is designed for both seasoned ultra runners and those looking to challenge themselves beyond..

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 Gosfield Backyard Ultra is an exciting last-man-standing running event set in the scenic grounds of Gosfield School in Essex, UK. Participants must complete a 4.167-mile loop every hour until only one runner remains. The event emphasizes pacing, as runners must balance speed and endurance to avo..

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 Ickworth Sunset Chase is an exciting running event set in the picturesque Ickworth Park, a National Trust estate. Participants can choose between a 5K and a 10K race, both designed to showcase the stunning landscapes of parkland, meadows, and forests. The event is chip-timed and offers a finishe..

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..

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 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 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 Farnham Pilgrim Marathon is a challenging trail marathon set in the picturesque Surrey Hills, known for its stunning scenery and diverse terrain. Scheduled for September 2025, this event offers participants a unique running experience, with options for both a half marathon and a full marathon. T..

The Coln Valley 2, 5, and 10km Charity Trail Run is set to take place on September 7, 2025, organized by the Friends of Hatherop Primary School. This scenic event runs along the picturesque Coln River valley, offering distances suitable for all ages and abilities. Participants can enjoy a fun-filled..

The Thetford Back Yard Ultra is a competitive running event held at High Lodge in Thetford Forest, Suffolk. Participants run 4.167 miles every hour on the hour, continuing until only one runner remains who can complete a loop within the one-hour time limit. This late summer edition of the Backyard U..

The C2C Essex Ultra is an ultramarathon event taking place in September 2025, offering participants the choice of running or walking either 30 or 50 miles along the scenic Essex Riviera. Organized by c2c, the event aims to raise funds for the children's cancer charity Gold Geese, which provides esse..

The Brighton 50/50 event, organized by RunThrough UK, features a range of trail races including 50 miles, 50k, and 23k, all set against the stunning backdrop of the South Downs and Brighton coastline. Participants will experience a challenging yet rewarding course that showcases beautiful landscapes..