Trail Running Calendar London 2025-2026

The Hooded Horse Fell Race is a challenging event taking place in Kilburn Wood, North Yorkshire. This FRA BM race covers a distance of 10.71 km with a climb of 390 meters, making it a demanding course for participants. It serves as the final counter in the Dave Parry/Lets Run Winter Fell Race Series..

The Centurion Thames Path 100 is a prestigious 100-mile trail race that takes place along the scenic Thames Path, stretching from Richmond in London to Oxford. This event, held annually, features a flat and fast course with a total elevation gain of 1,900 feet. Participants must complete the race wi..

London 100 is an ultramarathon event organized by Camino Ultra, designed to challenge runners and enhance their endurance skills. Participants can explore new trails while pushing their limits in a supportive community atmosphere. The event aims to foster a love for running and personal growth among..

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 London 2 Brighton Ultra Challenge is a premier endurance event taking place over the May bank holiday weekend, offering participants the choice to walk, jog, or run various distances, including 100km, 75km, 50km, and 25km. Starting in Richmond and culminating at Brighton Racecourse, the challeng..

The Grand Union Canal 145 Mile Race is a prestigious ultra-marathon taking place along the scenic Grand Union Canal Towpath from Gas Street Basin in Birmingham to Little Venice in London. Scheduled for May 2025, this non-stop race is open to participants aged 20 and over, welcoming runners of all ab..

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 an exciting running event set in the historic Forcett Park, featuring a two-lap course that showcases ancient Iron Age fortifications and a Georgian grotto. Participants can choose between a 5km or 10km run, with gentle trails winding through pasture fields, farm trac..

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

Beyond London is an exciting trail and ultra running event that invites participants to explore the hidden trails of London. Offering two distances—25km and 55km—runners will experience a unique perspective of the city, traversing the Capital Ring footpath and encountering iconic landmarks like Elth..

The Triffic Trail is an annual running event held in the scenic Trent Country Park, Enfield, London. It features a variety of courses, including a 10 km senior race, a 4.5 km junior race for participants under 18, and a 4.5 km fun run for those under 12. The event caters to all levels of runners, fr..

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 non-stop ultra-running event taking place from Little Venice, London, to Bristol. Scheduled for July 25, 2025, this race covers a scenic route along canals, rivers, and railway paths, featuring notable landmarks like the Caen Hill flight of locks. Pa..

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

The Vanguard Way Marathon is an exciting running event featuring both a full marathon (26.2 miles) and a half marathon (13.1 miles), scheduled for August 4, 2024. The race takes place along a scenic section of the Vanguard Way, a 66-mile national trail that stretches from East Croydon to Newhaven, s..

The Ivybridge 3 Tops is a part of the Dartmoor Fell Series, organized by the South West Fell Runners and Erme Valley Harriers. This event features a challenging approximately 10k race with a 450m climb, offering stunning views over the South Hams. The course includes a mix of terrain, starting with..

The Thames Meander Summer is a scenic riverside running event organized by Hermes Running, taking place along the picturesque Thames Path. Participants can choose from three distances: a 10km, half marathon, or marathon, all starting from the Petersham & Ham Sea Scouts HQ in Richmond. The routes fea..

The Thames Path Ultra Challenge is a premier endurance event taking place along the scenic Thames Towpath, featuring various distance options including 100 km, 75 km, 50 km, and 25 km, as well as a Henley 10K. Scheduled for September 13-14, 2025, the challenge attracts over 3,000 participants, offer..

The Run London Epping Forest Trail 10k is a popular running event scheduled for September 14, 2025, in the scenic Epping Forest, Chingford. Participants will complete a 10k course consisting of two laps through the forest, known for its rich biodiversity and beautiful landscapes. The race is designe..

The Richmond Park Half Marathon is a scenic trail run covering a half marathon distance entirely within Richmond Park. The event begins at Sheen Gate, where participants will navigate through picturesque routes, including views of lakes and wildlife. Runners will traverse various park gates, includi..