Trail Running calendar near Letchworth Garden City 2025-2026

Bright Skies - Surrey Hills is an exciting daytime trail running event featuring a half marathon, 10-mile, and 10K races, along with 1K and 2K kids' races for ages 3-12. Set in the picturesque Surrey Hills, the course offers a scenic and challenging route through the Denbies Wine Estate. This event,..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly running event taking place at Pippingford Park, featuring two races designed to provide an exhilarating experience in a sustainable environment. The first race is scheduled for July 20, 2025, followed by a second race on January 25, 2026. Part..

Stately Trails: Aske is a running event set in the picturesque grounds of Aske Hall, a Georgian country house located near Richmond, North Yorkshire. Participants can choose between a 5km or 10km race, traversing beautiful trails that include pasture fields, farm tracks, and woodlands. The course is..

The Great Barrow Challenge Day 1, 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 participants the chance to challenge themselves with various distances, including 5k, 10k, half marathon, full marathon, and ultra..

The Great Barrow Challenge Day 2, hosted by Zig Zag Running, offers participants a unique opportunity to challenge themselves at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series where runners can choose their distance, including options for 5k, 10k, half marathon,..

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, passing through scenic English countryside and notable landmark..

The Maverick X Series East Sussex 2025 is a trail running event set in the picturesque Stanmer Park, featuring five routes that showcase the stunning landscapes of the South Downs National Park. Participants can choose from distances of 14 km, 21 km, 42 km, and 50 km, all offering a mix of woodland..

The Great Barrow Challenge Day 3, hosted by Zig Zag Running, offers participants a unique opportunity to challenge themselves at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series where runners can choose their distance, including options for 5k, 10k, half marathon,..

The Great Barrow Challenge Day 4, hosted by Zig Zag Running, offers participants a unique opportunity to challenge themselves at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series where runners can choose their distance, including options for 5k, 10k, half marathon,..

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 3 Brewers 10km is a trail running event held on July 27, 2025, at the 3 Brewers Brewery in Hertfordshire. The course features a scenic multi-terrain route through woodland, country lanes, and local trails, suitable for all abilities with a 2-hour cut-off time. Participants receive a medal, a pin..

The Great Barrow Challenge Day 5, hosted by Zig Zag Running, offers participants a unique opportunity to challenge themselves over a span of 10 days at the Suffolk Running Centre in Bury St Edmunds. This event allows runners to choose their distance, including options for 5k, 10k, half marathon, ful..

The Trifarm Summer Trail 10k is a scenic off-road running event held at Trifarm, Church Road, 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 foll..

The Great Barrow Challenge Day 6, hosted by Zig Zag Running, offers participants a unique opportunity to challenge themselves over a span of 10 days at the Suffolk Running Centre in Bury St Edmunds. This event allows runners to choose their distance, including options for 5k, 10k, half marathon, ful..

The Great Barrow Challenge Day 7, 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 Great Barrow Challenge Day 8, 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 individual day entries with various distances including 5k, 10k, half marathon, full marathon, and ultra marathon. Day..

The Great Barrow Challenge Day 9, 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 individual day entries with various distances including 5k, 10k, half marathon, full marathon, and ultra marathon. Day..

The Wendover Woods 10K is a trail running event held at Wendover Woods in Buckinghamshire. It features a challenging 10-kilometer course with approximately 250 meters of elevation, set entirely on scenic woodland trails with no road crossings. The race offers a lively atmosphere, fully marked and ma..

The Great Barrow Challenge Day 10, hosted by Zig Zag Running, offers participants a unique opportunity to challenge themselves at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series, allowing runners to choose their distance, including options for 5k, 10k, half marat..

The Round the Rock will take place in Morden on Saturday 2 August 2025. You can run 46 miles.