Trail Running calendar near Harrow 2025-2026

Take on the Benfleet 15, a 15 mile multi terrain challenge at Hadleigh Country Park on 18 January 2026, with muddy off road trails, a sea wall stretch and Olympic mountain bike sections. Chip timing, a bespoke medal and event photos make it..

Dirt Run is a trail running series across two rounds in Northamptonshire at Irchester in January and Brigstock in February. Tackle mixed trails and a notable hill, pick short or longer distances and earn a unique finisher medal.

Take on a three hour trail challenge from Holmbury St Mary and complete as many 5 km laps as you can across scenic Surrey Hills trails and the climb to Holmbury Hill. Entry includes a bowl of chilli or curry and a headtorch is required.

Tackle a wet and hilly trail at Bagshot on Saturday 24 January 2026, with splashy puddles and twisting climbs to test you. Choose a single lap 5 km or two lap 10 km for a muddy, adventurous winter race.

Experience iconic views of Stonehenge on the Stonehenge Stomp, a friendly walking event that also welcomes runners. Choose routes from 5 km to 40 km and book online when entry opens on 1 November 2025 as places are limited.

Tackle scenic, eco friendly trail races through Ashdown Forest at Pippingford Park, with 10 and 5 mile options over rolling, hilly trails. Enjoy forest views, supportive volunteers, bespoke medals and cash prizes for top finishers.

Run a scenic, flat trail through Alexandra Gardens near Windsor Castle with 10K and half marathon options. Chip timed, marshalled and offering free photos, post race goodies and a tech tee deal.

Join the G3 Series on Saturday 31 January 2026 for scenic 15 km and 10 km runs near Hound House Road in Surrey. Friendly, well signed courses and easy parking make this a perfect winter tune up for runners of all paces.

Run scenic trails on the South Downs at Queen Elizabeth Country Park with 8, 15 or 22 km routes through woodland and rolling chalk tracks. Dog friendly, timed and offering water stations and finisher medals, it suits runners of every level.

Run the Lavenham Old Railway 10k, a scenic course through countryside, woodland and the old railway line. Medal for all finishers and podium trophies for top places; cupless event with water refills.

The Peddars Way Ultra Marathon is a 48-mile ultramarathon held in Suffolk and Norfolk, England. The route follows the historic Peddars Way, an ancient pre-Roman trading path and Roman road, starting at Knettishall Heath Nature Reserve and f..

Run through Bedgebury National Pinetum and Forest on beautiful undulating multi terrain trails with 10 Mile, 5 Mile and junior options. Expect mud, a bespoke medal, free photos and trophies for top finishers.

Join a guided 10km trail run around the Devil's Punchbowl in Hindhead, enjoying rolling hills and a scenic pause with great views. This friendly group paced run is led by an experienced guide and runs at sunset or by headtorch in winter.

Run the Pilgrim Challenge along the North Downs Way from Farnham to Canterbury, passing historic countryside and charming villages. Choose 33 miles in one day or 66 miles over two days with overnight support, checkpoints and full event serv..

Hibernal Hills at Queen Elizabeth Country Park offers 50 mile, 50K and 20 mile single loop trail races across the South Downs. Expect about 99% trail, 6400 ft of climbing, seven aid stations, live GPS tracking and a bespoke finisher medal.

Maverick Original West Sussex invites trail lovers to tackle 6 km, 12 km or 22 km routes across the South Downs from Amberley Museum. Expect steep technical hills, on course water stations, timing and a wooden finisher medal.

The Cold Norton Charity Winter 10K & Half Marathon Trail Event is a winter charity trail run in Essex, raising funds for Farleigh Hospice. Held at Charity Farm, Crows Lane, Woodham Ferrers, it offers 10K and 13.1-mile routes run mainly on g..

Enjoy a scenic 10 mile route through parkland, riverside paths and woods in North Milton Keynes, including the quirky Cattle Creep tunnel. Canicross friendly, one lap with on the day race pack pickup and finish line goodies.

Enjoy a 5k canicross at Irchester Country Park on Sunday 8 February 2026, running with your dog through scenic woodland trails. Experts will support first time runners and every finisher gets a medal and treats for their dog.

XTERRA Matterley is an off-road sporting event held at the scenic Matterley Basin in Hampshire, United Kingdom. Scheduled for February 14-15, 2026, it offers a variety of race formats including duathlons and trail runs suitable for athletes..