Trail Running calendar near Sunbury-on-Thames 2025-2026

Bright Skies Surrey Hills is an exciting daytime trail running event held at Denbies Wine Estate in Dorking, Surrey. The event features a marathon, half marathon, and 10K race, including Canicross (dog running) options, as well as 1K and 2K races for children aged 3 to 12. The course offers an undul..

The Valley Park Tour of the Woods is a 10 km trail race held in the scenic Valley Park Woodlands in Chandler's Ford, Hampshire. The course is uniquely divided into five stages ranging from 500 meters to 3 km, with recovery breaks between each stage that do not count towards the overall time. This fo..

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail running event held in the scenic Surrey Hills near Peaslake. The race features a hilly, undulating multi-loop cross-country course primarily on tracks around Holmbury Hill, with well-marked routes and marshalled key p..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly trail running event held at Pippingford Park Manor in East Sussex. This two-race series offers 10-mile and 5-mile distances across undulating, multi-terrain forest trails featuring picturesque scenery. Designed to provide a guilt-free, sustain..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

The Summer Midweek Race - The Off-road One will take place in Warwick on Wednesday 23 July 2025.

The Great Barrow Challenge Day 1, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event offers runners the choice of distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to run at their own pace. Day 1 feat..

Stately Trails: Aske is a scenic running event held at Aske Hall, a Georgian country house near Richmond, North Yorkshire. Participants can choose between 5km and 10km trail races, or a 5km walk, all set within the exclusive estate's beautiful grounds featuring parkland, woodland, pasture fields, an..

The Great Barrow Challenge Day 2, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series offering individual day entries with multiple distance options including 5k, 10k, half marathon, marathon, and ultra marathon. Day 2 featur..

The Kennet & Avon Canal 145 Mile Race (KACR) is a challenging non-stop ultra running event held in the UK, covering 145 miles from Little Venice, London, to Bristol. The route follows easy-to-navigate canal, river, and railway towpaths, including the Grand Union Canal, Jubilee River, River Thames, K..

The Maverick X Series East Sussex 2025 is a trail running event held at Stanmer Park near Brighton, East Sussex. It offers five routes ranging from a 6 km sprint to a challenging 50 km ultra, all featuring hilly, hard-packed trails suitable for all levels. The course includes scenic sections of the..

The ZigZag Great Barrow Challenge Day 3 takes place at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. This event is part of a 10-day running series offering individual day entries with distances ranging from 5k to ultra marathon. On Day 3, runners can choose between the full Kirtling route..

The Great Barrow Challenge Day 4, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series offering individual day entries with various distances including 5k, 10k, half marathon, full marathon, and ultra marathon. Day 4 features..

The White Horse Gallop is a circular half marathon trail running event that begins and ends on the Ridgeway, showcasing the scenic beauty of National Trust sites, including Ashdown House and the historic White Horse Hill. The course features an "undulating" route, providing a challenging yet enjoyab..

The Westfield 7.5km Trail Race is a scenic trail running event held at Westfield Community Hall in the UK. The course features a mainly off-road loop that follows the renowned 1066 Country Walk for the first 3km, passing landmarks like the Bayeux Tapestry-inspired Farbanks Henge sculptures, then ret..

The Bembridge Trail 5 is a scenic 5-mile trail run held in Bembridge, Isle of Wight. The circular course starts and finishes at the Community Centre, taking runners through picturesque areas including Bembridge Marshes, Centurions Copse, Peacock Hill, and along the Coastal Path. The route is undulat..

The 3 Brewers 10km is a scenic trail running event held at the 3 Brewers Brewery, located in the Hertfordshire countryside near Hatfield. This multi-terrain course covers 10 kilometers with approximately 70% off-road paths, including local trails, woodland, nature reserves, and country lanes, featur..

The Great Barrow Challenge Day 5, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day running challenge offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose..

The Trifarm Summer Trail 10k is a scenic trail running event held at Trifarm in Boreham, Chelmsford, Essex. This race is part of the 2025 Trifarm trail seasonal series and features a mostly off-road course, with over 95% of the route on public footpaths and bridleways. The 10k run follows an anti-cl..

The Great Barrow Challenge Day 6, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day running challenge offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose..