Trail Running calendar near Grafham 2025-2026

Midsummer Murder is a challenging trail running event held in the scenic Hambleden Valley near Henley on Thames. The race offers two distances: a 10.4-mile course and a tougher 14.3-mile half marathon, both featuring hilly terrain with multiple climbs and approximately 75% off-road paths. Runners ex..

The Snickerthon is a multi-distance running event held at Chase Water Country Park and Visitor Centre. Participants can choose from approximately 5K, 10K, Half Marathon, or Marathon distances, running multiple laps around the scenic, relatively flat course. The event features aid stations with refre..

The Triffic Trail is an annual running event held in the scenic Trent Country Park, Enfield, London. The race features a 10 km senior trail course that includes woodland trails, grassy fields, hills, and some fast tarmac sections, all within the park's picturesque grounds. It welcomes a wide range o..

The Dunstable Downs Half Marathon is a challenging off-road trail race held at the National Trust's Dunstable Downs estate in the Chiltern Hills, UK. Covering 21.2 km with over 450 meters of elevation, the course features rugged chalk ridge trails, ridgeline views, steep hills, exhilarating descents..

The Otter Challenge is a 6-hour running event held at Kingsbury Water Park near Sutton Coldfield, UK. Participants run multiple laps of a 3.3-mile flat course that loops around five ponds and a river, offering scenic views and varied terrain including grass, gravel, and short asphalt sections. Runne..

The Nonsuch Park Summer Series 2025 is the second of four evening orienteering events organized by MVOC, held in Cheam's Nonsuch Park. It offers a welcoming atmosphere for runners of all abilities, featuring a 60-minute score course using Waikato scoring rules for experienced participants and a simp..

The Ealing Eagles Trail 10K is a running event held at Brent Lodge Park in London, offering a 10 km trail race along with a junior 1-mile race. The course details are available on the organizer’s website, and all finishers receive a memento. The event emphasizes easy access via public transport, dis..

The Colworth Marathon Challenge is a unique running event held at the scenic Colworth Estate in North Bedfordshire, UK. It features three races over three consecutive days: a 5-mile multi-terrain run with family entertainment, an 8.1-mile cross-country trail race, and a 13.1-mile half marathon, coll..

The Jennett's Park urban orienteering event, hosted by Berkshire Orienteers (BKO) in Bracknell, offers three courses: Long (5.8 km straight line, 8.2 km optimal), Medium (4 km straight line, 5.4 km optimal), and Short (2.4 km straight line, 2.5 km optimal). Suitable for all abilities, the event emph..

The Zigzag Cock-A-Doodle Dawdle is a trail running event held at the scenic Hyde Hall Farm in Hertfordshire (SG9 0RU). Returning for its second year, the race offers multiple distance options including 5k, 10k, Half Marathon, Full Marathon, and Ultra Marathon, catering to runners of all levels. The..

Royston In Blue is a 5-kilometre fun run and walk held in Royston, Hertfordshire, on a two-lap trail course over Royston Heath. The undulating route offers a scenic and challenging experience for participants. The event supports the Teenage Cancer Trust, combining fitness with fundraising.Facilities..

The Summer Bumble Bimble is a scenic trail running event held in the Bromsgrove countryside, starting and finishing at the Park Gate Inn. Scheduled for June 29, 2025, it offers two distance options: a 5-mile route through Dodford countryside and Nutnells Wood, and a more challenging 11-mile course e..

Woodland Run 2025, organized by Beginners2Runners, takes place at Oaken Wood, Kiln Barn Road, Ditton. The event offers 5k and 10k race options on a multi-terrain course featuring tarmac, packed gravel, and woodland trails on an undulating, traffic-free route. Participants enjoy a scenic run through..

The Midsummer Munro is a challenging half marathon held at Box Hill Fort, Surrey, celebrating its 20th year in 2025. The race features a rugged course primarily on rough tracks, offering runners stunning views over the North Downs, the Mole Gap, Denbies Vineyard, and Dorking. Known for its demanding..

The Full Essex Way Ultra is an 82-mile ultra-marathon starting at Epping tube station in London and finishing at the historic high lighthouse in Harwich. The race follows the entire Essex Way trail, featuring mixed terrain including trails, footpaths, tracks, and roads, with a total elevation gain o..

The ATW Odyssey 12 is an exciting running event that combines physical challenge with personal growth, set against the scenic multi-terrain paths of St Neots. Participants can compete solo, in pairs, or as teams of up to six, tackling a 7km lap course. The event encourages camaraderie and support, f..

The Birmingham Black Country Half Marathon is a scenic point-to-point race held along canal towpaths from Wolverhampton City Centre to Brindley Place in Birmingham. Scheduled for July 5, 2025, the event features a largely flat course with some gentle inclines at locks and bridges, including the uniq..

The Orion Harriers Forest Five is a mile race series held at Jubilee Retreat, initiated in 2009 to support the Orion Harriers clubhouse. The 2025 series includes three Saturday morning races on June 7th, July 5th, and August 2nd. Participants can compete individually or in age categories, with troph..

The Spitfire Scramble is London's only 24-hour running event held at Hornchurch Country Park. Participants can run solo or in teams of two to eight, tackling a 5.75-mile multi-terrain lap repeatedly over 24 hours. The race tests endurance, speed, teamwork, and night running skills, as only one runne..

The Highwayman Trail Marathon is a unique narrative trail race held around the villages of Thaxted, Great Sampford, and Hempstead, areas linked to the early life of Dick Turpin. The 26.2-mile course is approximately 95% off-road, featuring diverse terrain without marshals or directional arrows; runn..