London
Trail Running Calendar near London 2026-2027
Explore the top trail runs near London for 2026-2027! We've gathered 259 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
A 7 hour Time Challenge in Staines offering flexible distances from 3 km to ultra along the River Thames with medals, pins and on-course aid.
Two-day self supported navigation and endurance event for teams of two at Newlands Corner in the Surrey Hills, with basic camping, map based scoring and limited entries.
Nuclear Rush is a muddy obstacle course at the Secret Nuclear Bunker estate in Essex offering 6 km and 12 km races with signature Deathslide and zip line obstacles.
An inflatable obstacle-course fun run at Stoke Park, Guildford on 8 May 2027 with distances from 2.5k to 15k, music zones and finisher medals.
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.
An inflatable obstacle course event at Brands Hatch with 2.5 km laps offering 2.5 km 5 km 10 km and 15 km options, music zones, medals and family and group discounts.
Looped event at Denbies Wine Estate offering distances from 5 km to ultra, run as many 5.3 km laps as desired within a 7 hour limit.
A closed-road 21.1km half marathon through Hackney with pacer support, live music and a finish festival at Hackney Marshes.
A tenth-anniversary half marathon and a new 10k in Chislehurst that explores local green spaces while raising funds for The Maypole Project.
A long established trail event at Cammas Hall Farm offering 10 mile and 5 mile routes across farm tracks, woodland and short country roads with marshals and chip timing.
A 7 hour timed running event along the River Thames in Staines offering distances from 3 km up to ultramarathon with medals, distance pins, goody bags and aid stations.
A single-lap 50 km multi-terrain ultra in Maidenhead along the Thames Path and Jubilee River with four aid stations, chip timing, live tracking and race photos.
Track event at Wodson Park offering 5k, 10k, half, marathon, 50k and a six hour challenge on a 400 metre athletics track.
A 10K park run organised by MCC Promotions at Bushy Park, using a 4.8 km plus one-lap accurately measured course. On-day registration, water stations, a bespoke medal and charity support for Sport in Mind.
Guided 13 miles through the Surrey Hills from Guildford, run as a steady group with trail sections, car parking and nearby train access.
Trail challenge from Richmond upon Thames to Brighton with 100 km, half and quarter distances, GPS tracking, staffed rest stops, camping and shuttle transfers.