Surrey
Trail Running Calendar near Surrey 2026-2027
Explore the top trail runs near Surrey for 2026-2027! We've gathered 246 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
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.
Brighton Backyard Ultra at Stanmer Park is an hourly 4.167 mile loop repeated until one runner remains, with entries including a medal, winner trophy, rest pitch, water and snacks.
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 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.
Looped trail event at Wiston Estate with a marked 10K circuit and distances from 10K to 100K, plus aid stations, a dedicated 100K area and on-site camping.
A 10th anniversary half marathon and new 10k in Chislehurst that explores local green spaces and raises funds for The Maypole Project.
A 7 km cross-country fun run at Trenchmore Farm on 22 May 2027 with music, burgers and a free drink for each runner.
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.
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.
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.
Two supported trail options in London - a 55 km ultra and a 25 km trail run along the Capital Ring, finishing at Richmond Green with feed stations and chip timing.
Community 3k and 5k runs at Dunorlan Park on mainly grass and woodland terrain with some inclines and limited general parking.
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.