Trail Running Calendar London 2025-2026

The Thames Meander Spring is a scenic riverside running event taking place along the Thames Path, starting from the Petersham & Ham Sea Scouts HQ in Richmond. Participants can choose from three distances: a 10km, half marathon, or marathon, all featuring flat and runnable routes. The course is well-..

The Thames Meander Marathon is a scenic running event series held along the picturesque Thames Path, starting from the Petersham & Ham Sea Cadets HQ in Richmond. Participants can choose from three distances: 10km, half marathon, and marathon, all featuring flat, runnable routes that are well-marked..

The Richmond Park Half Marathon will take place in Richmond on Sunday 23 March 2025.

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..

The London 100 will take place in Pimlico on Saturday 10 May 2025. You can run 100 miles.

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, while the subsequent two laps follow the Tamsin trail, each measuring 7.1 miles. The race starts and finishes near Sheen Gate,..

The Grand Union Canal 145 Mile Race (GUCR) is a prestigious ultra-running event taking place along the Grand Union Canal Towpath from Gas Street Basin in Birmingham to Little Venice in London. Scheduled for May 24, 2025, this non-stop race welcomes participants aged 20 and over, with no prior qualif..

The London 2 Brighton Ultra Challenge is a premier endurance event that invites participants to traverse a scenic 100 km route from Richmond-Upon-Thames to Brighton. Scheduled for May 2025, the challenge accommodates various distances, including quarter, half, marathon, and full options, ensuring in..

The Jubilee Hall Trust's "Run for Your Life" is an annual running event taking place in Hampstead Heath, London, featuring 10K, 5K, and 2K courses. Celebrating its 10th edition in 2025, the event welcomes participants of all abilities, including families and beginners. Runners will enjoy scenic trai..

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 trails winding through picturesque pasture fields, farm..

Beyond London is a trail and ultra running event that invites participants to explore hidden trails in the capital. Offering two distances—25km and 55km—runners will experience a unique side of London, including iconic landmarks and scenic views along the Capital Ring footpath. The event is designed..

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 canal, river, and railway paths, featuring detailed maps for navigation. Participants, aged 20 and ov..

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), taking place on August 4, 2024. The course follows a scenic section of the Vanguard Way, a 66-mile national trail that stretches from East Croydon to Newhaven, showcas..

The Ivybridge 3 Tops is a part of the Dartmoor Fell Series, organized by the 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 a brisk ascent up Western Be..

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

The Thames Path Ultra Challenge is a premier endurance event taking place on September 13-14, 2025, along the scenic Thames Tow Path from Putney Bridge to Henley. Participants can choose from various distances, including 100 km, 75 km, 50 km, and 25 km, as well as a Henley 10K. The event attracts ov..

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..