Trail Running Calendar London 2025-2026

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 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 premier running event held at Frylands Wood, London, where participants challenge their limits by running four miles on the hour, every hour. This unique format tests endurance and mental strength, making it a thrilling experience for both runners and spectators. The e..

The Thames Path Ultra Challenge is a major endurance event along England’s iconic river, offering distances of 25 km, 50 km, 75 km, and a full 100 km route from Putney Bridge to Henley-on-Thames. Participants can walk, jog, or run at their own pace, with options for solo or team participation. The e..

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..

The London Epping Forest 50 Km will take place in London on Saturday 4 October 2025. You can run 50 kilometers.

The Thames Meander Autumn 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: 10km, half marathon, and marathon. The routes are flat a..

The Kingston 10k, organized by RunUk, is an exciting running event that takes place in Kingston, Surrey. The race starts and finishes at the Kingston Hawker Centre, offering participants a scenic route through the streets of Kingston and along the river towpath. In support of the NHS, runners are en..