Washington (West Sus..
Trail Running Calendar near Washington (West Sussex) 2026-2027
Explore the top trail runs near Washington (West Sussex) for 2026-2027! We've gathered 142 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Beat The Tide 10k runs along Worthing and Lancing beaches with an aid station at 5 km, canicross welcome and on-site drinks and pizza at Perch on the Parade.
Off road Half Marathon around Henfield with a riverside and disused railway course, start and finish at Henfield Leisure Centre with showers and free parking.
A 52 mile navigation challenge across the South Downs from Plumpton College, with seven staffed checkpoints, required equipment and a 23 hours completion limit.
Trail running from Lancing College across the South Downs with 5K, 10K, Marathon and 50K routes, marked courses, aid stations and chip timing.
A laps based timed run at Ardingly Reservoir offering multiple distances, chip timing, an aid station and a donut shaped finisher's medal.
Windlesham Whip is Worthing Harriers' West Sussex Fun Run League race at Windlesham House School on 23 August 2026 with a 7.5 km trail course.
Permanent 7 km mud and obstacle assault course near Dorking, Surrey with over 100 obstacles and options for one, two or limitless laps for solo runners and groups.
September 2026
A scenic 10K through the private grounds of Loseley Park in Surrey on 6 September 2026, with timed results, finisher medals and official photography.
Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.
A 100 km team endurance trek across the South Downs in September 2026, combining checkpoints, support crews and fundraising for The Gurkha Welfare Trust.
Trail running in the Surrey Hills with 10k, 21k and 42k routes on chip timed, well marked courses, aid stations and finisher medals. Starts and finishes at Shere Recreation Ground with free parking and an event village.
A guided loop trail run around Lewes of about 18 miles with over 2600 ft of ascent, passing Mount Caburn, Firle Beacon and Kingston Ridge.
Multisport score format race in the South Downs with run, bike and kayak options for solos and teams of two to four.
A wine-themed running event at Denbies Wine Estate near Dorking offering a half marathon and 10 km through vineyards with wine stops, food and live entertainment.
On 13 September 2026 the Alf Shrubb Memorial returns to Slinfold with chip timed 10k and 5k trail races plus children’s races. The event finishes at Slinfold Cricket Club, supports local causes and awards a replica Alf Shrubb medal to finishers.
An annual off-road event on Ashtead Common offering 10 km and 2 km races that raise funds for local charities while promoting low-impact travel.
A scenic trail running event at Hambledon Vineyard offering races from 1 km to 20 km, chip timed with trophies and fundraising for Brain Tumour Research and Hambledon Primary School.