Trail Running Calendar London 2025-2026

The Richmond Park Marathon is a scenic 26.2-mile running event held in Richmond Park, featuring a challenging course that consists of three laps. The first lap is 12 miles, encompassing a route around the park's perimeter and through its center, while the subsequent two laps follow the Tamsin trail,..

The Dagenham 88 Runners 5 is a trail running event held at Eastbrookend Country Park, Dagenham. Scheduled for May 21, 2025, this race is the first in the ELVIS 2025 series and features a new 5-mile multi-terrain course consisting of three laps around the park. The race is open to runners aged 16 and..

The Grand Union Canal 145 Mile Race (GUCR) is a premier ultra-distance running event held annually in the UK, covering 145 miles from Gas Street Basin in Birmingham to Little Venice in London. The race follows the well-marked Grand Union Canal Towpath, offering a relatively flat and easy-to-navigate..

The London 2 Brighton Ultra Challenge is a popular endurance event offering various distances, including a full 100 km route from Richmond to Brighton. Participants can walk, jog, or run through scenic Surrey and Sussex countryside, crossing the North and South Downs, with support and hospitality pr..

The Orion Harriers Forest Five is a series of annual one-mile races held on the first Saturday of June, July, and August at Jubilee Retreat in Chingford. Established in 2009 to support the construction of the Orion clubhouse, the series offers a competitive yet friendly environment for runners of al..

The Jubilee Hall Trust's "Run for Your Life" event is set to take place in June 2025 at Hampstead Heath, London. This annual running event features 10K, 5K, and 2K courses, catering to participants of all abilities, including families and beginners. Runners will enjoy scenic trails with stunning vie..

Stately Trails: Forcett Park is a scenic running event held at Forcett Hall, North Yorkshire, featuring 5km and 10km distances on a two-lap course through historic parkland. Runners experience gentle trails across pasture fields, farm tracks, and woodland, passing ancient Iron Age fortifications, a..

The John Clarke Memorial Race will take place in London on Friday 20 June 2025.

Beyond Trails London is a trail running event offering two distances: a 25km trail and a 55km ultra, both taking place in Greater London. The routes follow the Capital Ring footpath, showcasing iconic landmarks such as Eltham Palace, Wimbledon Common, and Richmond Park, alongside hidden trails, park..

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 paths, grassy fields, hills, and some fast tarmac sections, all within the park's picturesque grounds. The event welcomes a wide r..

The Spitfire Scramble is London's only 24-hour running event held at Hornchurch Country Park. Participants can compete 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 r..

The Orion Harriers Forest Five Series 2025 is a series of mile-long races held on Saturday mornings at Jubilee Retreat. The second race takes place on July 5th, 2025, and features a friendly atmosphere amid forest surroundings. The event is part of a fundraising effort for the Orion Harriers clubhou..

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 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 Orion Harriers Forest Five Series 2025 is a series of mile-long races held on Saturday mornings, starting at 10 am. The series began in 2009 to support the construction of the Orion Harriers clubhouse at Jubilee Retreat. The 2025 races are scheduled for June 7th, July 5th, and August 2nd, with t..

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

The Vanguard Way Marathon is a scenic running event held near Croydon, UK, featuring both a full marathon (26.2 miles) and a half marathon (13.1 miles). The course follows part of the Vanguard Way, a 66-mile national trail stretching from East Croydon to Newhaven on the South Coast. Runners experien..

The Ivybridge 3 Tops is a challenging fell running event held as part of the Dartmoor Fell Series, organized by Erme Valley Harriers. Taking place near Ivybridge, Devon, the race covers approximately 10 kilometers with 450 meters of climbing, offering stunning views over the South Hams. The course f..

The Thames Meander Summer is a scenic riverside race series organized by Hermes Running, taking place along the picturesque Thames Path. Starting from the Petersham & Ham Sea Scouts HQ in Richmond, participants can choose from three distances: a 10km, half marathon, or marathon. The routes feature f..

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..