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 event in the Dave Parry/Lets Run Winter Fell Race Series f..

The Centurion Thames Path 100 is a prestigious 100-mile trail race that takes place along the scenic Thames Path, stretching from Richmond in South West London to Oxford. This event, held annually, features a flat and fast course with a total elevation gain of 1900 feet. Participants must complete t..

London 100 is an ultramarathon event organized by Camino Ultra, designed to challenge runners and enhance their endurance skills. Participants will have the opportunity to explore new trails while pushing their limits in a supportive community atmosphere. The event emphasizes personal growth and per..

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 - ELVIS #1 event is scheduled for May 21, 2025, featuring a 5-mile multi-terrain race at Eastbrookend Country Park in Dagenham. This race is part of the ELVIS 2025 series and will take place on a new course layout. Participants can expect a lively atmosphere with refreshmen..

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 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 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..

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

Beyond Trails London is an exciting trail and ultra running event set to take place in June 2025. Participants can choose between a 25km trail route or a challenging 55km ultra route, both of which explore hidden trails and iconic sights around London. The event emphasizes inclusivity, welcoming run..

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..

The Orion Harriers Forest Five will take place in London on Saturday 5 July 2025. You can run 5 miles.

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) 2025 is a non-stop ultramarathon from Little Venice, London, to Bristol, following canal, river, and railway paths. Organized under UK athletics rules, it features a scenic route passing through English countryside, including the famous Caen Hill flight o..

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 that follows part of the 66-mile Vanguard Way route from East Croydon to Newhaven on the South Coast. Held annually, it offers both full (26.2 miles) and half (13.1 miles) marathon distances, attracting runners and walkers alike. The course showcas..

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..