Trail Running calendar near Greater London 2026-2027

Experience the greenest borough of London with a 50K ultra or 25K trail run through Ealing. Navigate scenic canal paths and parks on this mixed terrain course featuring live tracking and aid station support.

Run a flexible distance along Winchester's scenic Itchen Way. Choose your laps from 2.62 miles up to an ultra within a 7-hour window, with a famous aid station and a finisher's medal for all.

Event Overview The Blackwater Trail Events include a half marathon and a marathon on a new marathon course for 2026. The event uses a flexible entry fee structure where participants can choose to pay for extras like a medal or not. Course a..

Experience a trail run along the River Thames starting from Marlow Rugby Club. Cross the famous Marlow Bridge and celebrate at the finish with a custom medal and a Rebellion Brewery beer or soft drink.

A timed Friday event on a flat 5.3 km out-and-back course along the river Thames, with lap-based distances from 5 km to ultra and a £10 Run for a Tenner entry benefiting Rays of Sunshine.

Test your endurance at this 50km multi terrain ultramarathon in Maidenhead. Complete the signed course before the official end of daylight to earn your finishers medal and mementoes.

The Ridgeway Challenge The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race. It follows the entire length of the Ridgeway National Trail, a historic path used for over 5,000 years. The route runs from Ivinghoe Bea..

Follow the River Medway on a flat 50km trail route connecting three medieval castles from Rochester to Tonbridge. This chip timed ultra marathon features a unique athletics track finish and full medical support.

Experience a scenic point to point trail race along the River Medway from Maidstone to Tonbridge. Enjoy a flat route featuring historic locks and a grand finale on an athletics track.

The Ridgeway Chase is a 60 km ultramarathon along the historic Ridgeway National Trail, starting at Ivinghoe Beacon and finishing near Wallingford. Held alongside a longer challenge, it offers runners scenic ridgeline views across the Chilt..

Experience an interval style racing event in Twickenham featuring repeat segments of 400m or 800m. Available for individual runners doubles or relay teams this May 2026 competition tests endurance through ten measured laps.

Test your endurance on a traffic free 400 metre athletics track in Ware. Choose from distances ranging from 5k to a 6 hour challenge and enjoy full supporter visibility every lap.

The Southampton Running Festival will take place in Bishop's Waltham on Sunday 31 May 2026. You can run between 5 and 21 kilometers.

Experience a unique 50km point to point ultramarathon from the heart of South London to the rural lanes of Kent. Enjoy a supported journey through urban streets and scenic countryside with well stocked aid stations along the way.

Explore the scenic trails of the Surrey Hills on a guided half marathon. The route changes each time but always features iconic spots like St Martha's Hill. Choose from weekend runs or a special summer evening adventure.

A timed riverside event on a 5.3 km out and back Thames course where runners choose how many laps to complete within a seven hour limit. Ten pound entry supports the Rays of Sunshine charity and a double sided medal is awarded.

The Sundowner Trail Marathon on 6 June 2026 is an evening 27 mile trail through saltmarsh, canal towpaths, vineyards and forests. Limited to 50 runners, this intimate race offers checkpoints, a finish memento and a bespoke local beer.

Test your endurance at High Lodge Thetford Forest in this classic backyard ultra. Complete a 4.167 mile loop every hour until only one runner remains or choose from 6 and 12 hour timed options.

Test your limits at this 24 hour trail relay in Wasing Park. Run as a solo athlete or in teams of up to 12 people on a scenic 8km loop through historic woodland.

Test your limits at Chilton Manor Farm with a 4.16 mile trail loop every hour. Enjoy exclusive access to private Hampshire trails and a supported camping village until only one runner remains.