Greenford
Trail Running Calendar near Greenford 2026-2027
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.
July 2027
An 82 mile point-to-point ultramarathon from Epping to Harwich along mixed trail and road, with checkpoints, GPS tracking, a race medical team and a 24 hour cut-off.
A muddy 5km obstacle run at Wild Forest in Brentwood on 3 July supporting Essex Wildlife Trust, with safety teams, parking, showers and a medal for each participant.
A fully marked off road half marathon on The Ridgeway between Wendover and Princes Risborough, covering 21.1 km with 526 m ascent and two aid station visits.
Group guided 10 km trail run across the boardwalk and heathland of Thursley National Nature Reserve with evening and night options, car parking and a post-run alcohol-free beer.
Trail event along the Ridgeway with 50 km and 100 km options finishing at Avebury Standing Stones, featuring signposted routes, pit stops, bag transfer and medical support.
A 24 hour multi terrain relay or solo race at Albyns Farm with teams of two to eight running repeated 5.75 mile laps and onsite camping and facilities.
A muddy 5k obstacle course at Fairlands Valley Park in Stevenage with staggered waves, on-site facilities, a minimum fundraising target of £50 and age 13 and over requirement.
ATW St Albans Summer 10K at Highfield Park on 18 July 2027 features a chip timed 10K, a free family fun run and an event village with refreshments and entertainment.
August 2027
A 47 mile point to point ultramarathon along the Thames from Henley to Kingston, with three checkpoints offering food and drink, mandatory navigation kit and a required average pace to remain in the race.
A 103 mile continuous trail race along the North Downs Way from Farnham to Ashford with 11,000 ft of climb, a 30 hour cut off and a 50 mile qualifying standard.
Timed looped trail at Denbies Wine Estate offering distances from a single 5.3 km loop up to ultramarathon within a seven hour limit, flexible start window and medal options.
London Backyard Ultra at Frylands Wood follows the Backyard Ultra format: run four miles each hour until one runner remains, scheduled for 28 August 2027.
September 2027
A family-friendly muddy obstacle run in Brentwood, Essex offering 5 km and 1.5 km routes, on-course obstacles, finish-line facilities and an event village.
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 Thames Towpath trail event from Putney Bridge to Henley offering 100, 75, 50 and 25 km options plus supported rest stops and camping.