Trail Running calendar near Letchworth Garden City 2025-2026

Hart 4 is a unique 4-hour trail relay held at Minley Manor, Hampshire, where teams of four compete on a 4 km off-road course. The event features an undulating route through woods and grasslands, combining hills and flat sections to challenge and engage runners. Teams aim to complete as many laps as..

The Foxton Hound Ultra is a challenging trail running event held on August 16, 2025, featuring 50k and 100k races. Runners traverse the scenic countryside around Market Harborough, passing through historic sites, villages, and long-distance footpaths such as the Harborough Round, Jurassic Way, and M..

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 Derby Running Festival 2025 takes place at Elvaston Castle Country Park in Derby, UK. This event offers 5K, 10K, and Half Marathon distances on a flat, multi-terrain course featuring trails, tarmac, and footpaths through the scenic grounds of the Grade II listed Elvaston Castle, including views..

The Woldingham Marathon is a UK Athletics-affiliated running event held at Woldingham School near Caterham, Surrey. It offers both a full marathon (26.2 miles) and a half marathon (13.1 miles) on an out-and-back course. The route features scenic trails through green valleys, wooded areas, and rollin..

The Pershore Plum 10k is a chip-timed, multi-terrain flat 10-kilometer race held in Pershore, Worcestershire. Starting at Pershore Leisure Centre, the course runs through Pershore High Street, crosses the river, and passes through the surrounding countryside near Wick before finishing in Abbey Park..

The Chelmsford Brew Co Summer August Ale Trail 10K is a fun, charity-focused running event held at Brewery Fields, Great Baddow, Chelmsford. Scheduled for August 28, 2025, the 10K route is available via GPX/Strava with a narrative guide, emphasizing enjoyment over competition. Participants receive a..

The London Backyard Ultra is a unique endurance running event held at Frylands Wood Scout Outdoor Centre in Croydon, London. Participants run a 4-mile loop every hour on the hour, continuing until only one runner remains, testing their true limits of stamina and mental strength. The event offers a c..

The Henley River Half Marathon, 10k & Juniors event takes place in Henley-on-Thames, UK, on August 30, 2025. This scenic trail run is suitable for both new and experienced runners, featuring routes around Henley-on-Thames with views starting and finishing at Temple Island Meadows, the Royal Henley R..

The Ickworth Sunset Chase is a scenic running event held at Ickworth Park, a National Trust estate near Bury St Edmunds, Suffolk. It offers 5K and 10K distances, suitable for runners of all abilities. The race starts at sunset, guiding participants through diverse terrain including limestone paths,..

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 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 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 scenic running event held in Farnham, Surrey, starting from The Sands on Seale Road. The marathon offers spectacular views across the Surrey Hills, known for its challenging, hilly terrain and multi-surface trail course. It is a bespoke event that also includes a po..

The Coln Valley Charity Trail Run, held near Coln St Aldwyns and Bibury, offers 2km, 5km, and 10km trail distances suitable for all ages and abilities. Set in the scenic Coln River valley, the event features mostly grassy, undulating terrain with a mix of cross-country elements, including hay bale h..

The SOX 10km is a scenic multi-terrain running event held in South Oxfordshire, starting and finishing at the South Oxfordshire Brewery taproom. The course covers 10 kilometers with about 60% off-road terrain, including trails, woodlands, fields, and local roads, offering stunning countryside views...