London
Trail Running Calendar near London 2026-2027
Explore the top trail runs near London for 2026-2027! We've gathered 197 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
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.
Inflatable obstacle-course event at Brands Hatch on 15 May 2027 with 2.5k to 15k lap options, music zones, family entries and finishers' medals.
Experience London's energetic Hackney Moves Festival featuring a half marathon on closed roads, a sunset 10K, and a community 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.
Trail races of 10 mile and 5 mile at Cammas Hall Farm, Essex on 16 May 2027 with chip timing, water stations and finisher t-shirt and medal.
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.
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 challenge from Richmond to Brighton offering distances from 10 km to 100 km with rest stops, GPS tracking, camping, and on route medical support.
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 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 point-to-point 50 km trail race along the River Medway from Rochester to Tonbridge with a predominantly flat course, four aid stations and a 9 hour cut-off.
Two supported trail runs in London: a 55 km ultra and a 25 km route on the Capital Ring with signed routes, feed stations, chip timing and finish refreshments.
A 10 km out-and-back race through gravel paths and woodland at Weald Country Park in Brentwood, organised by MCC Promotions. The event includes on-day registration, water stations, prizes and supports the charity Sport In Mind.
Urban 100 km ultramarathon in central London with 100 km, 50 km and 25 km routes that pass 100+ city landmarks and include staffed checkpoints.
A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide through timed waves while raising funds for cancer research.
A 75 mile off road ultra on a one mile loop at Denbies Wine Estate with up to 30 hours to finish, chip timing and multiple concurrent race options.