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Trail Running Calendar near Greenford 2026-2027

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Explore the top trail runs near Greenford for 2026-2027! We've gathered 251 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

May 2027
Two-day self-supported navigation challenge in the Surrey Hills for teams of two, with camping at Newlands Corner and a points-based course across both days.
Muddy obstacle races at the Secret Nuclear Bunker Estate in Essex with adult 6 km and 12 km options, plus family and children waves.
Inflatable obstacle course in Guildford on 8 May 2027 offering 2.5K, 5K, 10K and 15K routes with music zones, inflatables and a finisher's medal.
A one-day 30 km trail run in the Chiltern Hills from Tring with guided technique instruction, checkpoint support, bag storage and a finisher's medal.
Two days of obstacle racing in Henley-on-Thames with Sprint 5 km, Super 10 km, Beast 21 km and kids races along the riverside.
Inflatable 5K at Brands Hatch in Kent offers 2.5k laps with 15 to 90 obstacles across distances, plus family and group options, music zones, a finisher medal and on site facilities.
A 50 mile point-to-point trail race on the North Downs Way from Farnham to Knockholt Pound with 5,600 ft of climb, six aid stations and a 13 hour cut-off.
A weekend running festival in Hackney featuring a 21.1 km half, night 10 km, community and trail 5 km races, schools events and a free two day festival at Hackney Marshes.
A 10th anniversary half marathon and new 10k in Chislehurst that explores local green spaces and raises funds for The Maypole Project.
Race for Life at Weald Country Park in Brentwood features 3k, 5k and 10k routes across grass and woodland trails. The 10k is two laps of the 5k course and the event is chip timed.
A 50 km multi terrain ultra in Maidenhead along the Thames Path, Jubilee River and Green Way with chip timing, four aid stations, live tracking and a cut off of 8 hours 57 minutes.
Trail races on the Fox Way around Godalming, Surrey, offering 62K, 41K and 20K routes with cupless aid stations and chip timing.
Track running event at Wodson Park offering distances from 5k to 50k and a six hour timed challenge on a 400 m lap circuit.
A guided trail half marathon around the Surrey Hills, about 13 miles from St Martha's Hill in Guildford, following parts of the North Downs Way and notable viewpoints. The run is social in format with a guided pace and evening options.
A supported trail event from Richmond to Brighton offering 100 km, 50 km, 25 km and marathon options with rest stops, GPS tracking, medical support and camping.
An 86 mile point to point 139 km trail race along The Ridgeway from Ivinghoe Beacon to Avebury with GPS tracking, eight checkpoints and a 28 hour time limit.
A 10 km trail run from Marlow Rugby Club with local trails, woodland and Thames towpath, finishing with a medal, a pint cup and a free drink.
June 2027
A 24 hour relay at Wasing Park, Reading where Solos, Pairs and Teams run an undulating 8 km trail lap with camping and an on-site event village.
A 5k obstacle course at Royal Windsor Racecourse with mud obstacles to climb, crawl and slide, mixed tarmac and grass surfaces, staggered wave starts and a minimum age of 13. Earlybird entry prices and a fundraising target apply.
A 5 km obstacle course at Prospect Park in Reading where participants climb, crawl and slide across grassy slopes and woodland. Waves run every 15 minutes and the event is open to people aged 13 and over.
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