Trail Running calendar near Slough 2025-2026

Night street orienteering in Chelmsford as part of the Essex Winter Midweek Series. Use MapRun or printed waterproof maps to tackle Long or Short courses through roads, paths and parks under torchlight for series points.

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.

Huffin Puffin Run on 24 Jan 2026 at Xcel SPORTS HUB, Walton on Thames. Flat 5.3 km riverside loop with distances from 5 km to ultra; lap as you like within the time limit and enjoy aid stations and digital results.

Join the Stonehenge Stomp on 25 January 2026 for a scenic walking event that welcomes runners and is not a race. Choose routes from family friendly 5 km up to 40 km and enjoy stunning views of Stonehenge in a popular, limited entry event.

Tackle scenic trails at the Ashdown Forest 10 mile or 5 mile race on 25 January 2026 from Pippingford Park. Enjoy testing climbs, wide views across The Downs, free parking, a bespoke medal and cash prizes.

Run a scenic Half Marathon or 10K at Moors Valley Country Park on gravel woodland trails with some climbs and mud. Spot deer and birds of prey, grab an eco medal and enjoy friendly marshalled support.

Take to flat, scenic trails through Alexandra Gardens beside Windsor Castle with chip timing and friendly post race goodies. Choose 10K or half marathon, enjoy well marked routes, free photos and an event village for food and drinks.

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 Starburster at sunset in Hurn Forest from St Leonards cricket club, with 5 and 10 mile options that glow under twilight. Bring a head or chest torch and trail shoes are recommended, and 20% of fees support Forestry England.

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.

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.

Guided 10 km trail run around the Devil's Punchbowl in Hindhead, tackling rolling hills and a dramatic natural amphitheatre. Run as a friendly group at sunset or by night with headtorches, pause atop for views and try kit and trail shoes.

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..

The Westonbirt Arboretum Winter Night Race is a unique running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which offer a beautiful and varied landscap..

Take on the Hibernal Hills 50 Mile on 7 Feb 2026: a single loop starting and finishing at Queen Elizabeth Country Park with rolling trail terrain and about 6400 ft of climb. A winter classic for tough trail runners.

Explore the South Downs from Amberley Museum on scenic marked trails with chip timing and a metal finisher medal. Choose 6 km, 12 km or 22 km routes, enjoy event photography and bag drop, and support a plastic free race by bringing your own..

Run two scenic half marathons along Portsmouth and Langstone coastlines over one weekend, with sea views, promenades and an optional ferry crossing. Complete both to earn the Double Trouble medal.

Drama Llama Run on the Thames towpath offers timed laps on a flat 5.3 km out and back course with a seven hour limit and a flexible start window. Pick 5 km to ultra and enjoy race support, same day results and a finisher medal.