Trail Running calendar near Buckingham 2025-2026

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 Carsington Water Half Marathon & 10k, held on August 30, 2025, takes place at the scenic Carsington Water in Ashbourne, UK. Runners can choose between a half marathon and a 10k, both featuring undulating trail paths around the reservoir with stunning countryside views. The half marathon route in..

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 Mendip Marauder is a challenging ultra running event held in Somerset, England, featuring two distances: a 30-mile and a 50-mile race. The 30-miler covers the entire West Mendip Way, while the 50-miler includes the East Mendip Way before joining the 30-mile route. The course is notably hilly, wi..

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 Ross on Wye 10K Riverbank Run is a popular running event held in Ross-on-Wye, Herefordshire, featuring chip-timed 10K and 5K races along with a family fun run. The course is flat and multi-terrain, running alongside the scenic River Wye, incorporating river paths with grass and mud sections. The..

The Southampton Running Festival, held on August 31, 2025, takes place in the scenic Southampton Common, a designated Site of Special Scientific Interest in the heart of the city. The event offers multiple race distances including a 5K, 10K, half marathon, and a junior race, catering to a wide range..

The Ickworth Sunset Chase is a scenic running event held at Ickworth Park, a National Trust estate near Bury St Edmunds, Suffolk. Offering 5K and 10K distances, the race starts at sunset, guiding runners through landscaped parkland, meadows, and forest with inspiring estate views. The course feature..

The Andover Trail Marathon, held in North Hampshire, offers both a full marathon (26.2 miles) and a half marathon (13.1 miles) through scenic trails featuring thigh-burning climbs up to 280 meters and fast downhill sections with views of meadows and valleys. The marathon route follows the Testway to..

The Joust 12hr & 24hr is an off-road endurance race held at Top Barn Campsite, Worcestershire (WR6 6NH). The event features a 24-hour race (J24) and a 12-hour 50-mile challenge (J12), with the J24 open to solo runners, pairs, and teams, while the J12 is for solo competitors only. The course is a rou..

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..

Westonbirt Arboretum Summer 2025 is a running event set in the stunning National Arboretum, featuring a variety of race distances including 1 mile, 5km, 10km, and a half marathon. Participants will enjoy a scenic route through diverse tree species, making it a unique experience that combines the bea..

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 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 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 race held on September 7, 2025, at the South Oxfordshire Brewery in Ipsden. The course features trails, woodlands, fields, and local roads, offering stunning views throughout. The event is suitable for all abilities and is canicross friendly.Participants receiv..

Thetford Back Yard Ultra is a competitive running event held at High Lodge in Thetford Forest, Suffolk. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner remains able to complete the loop within the one-hour time limit. This late summer event features chip t..