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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.

December 2026
An offroad multi-lap event at Shalford Park, Guildford offering runs from 3.14 to 31.4 miles, a Pi marathon option, a 1-mile kids run, and bespoke Pi Pie medals.
A hilly five mile trail race in Lesnes Abbey Woods on 13 December 2026 in memory of Ray Marshall, with manual timing and a 90 minute cut off.
A festive, informal two-lap Second Sunday 5 on 13 December 2026 at Richardson Evans Memorial Fields, Putney Vale.
A festive, untimed fun run at Denbies Wine Estate with Santa suits provided, a 5 km mixed-surface route, charity support and post-run mulled wine and mince pie.
Join a festive Christmas run along the flat Jubilee River. Choose your own distance in this 6-hour timed event on a scenic towpath. All finishers receive a bespoke festive medal.
A dawn to dusk trail challenge at Box Hill where runners complete laps of a roughly 10 mile loop with about 2,400 ft ascent per lap; entries include insurance, medical cover and a finisher medal.
Trail runs at Wendover Woods in the Chilterns offering a family Santa Mile plus 5 and 10 mile races with chip timing, medals, and finishers refreshments.
A 7 hour Time Challenge along the River Thames in Staines offering distances from 3 km up to 50 km, medal and goody bag, plus an optional Christmas dinner at The Last Hop.
A seven hour Time Challenge on a signed Thames riverside loop where participants choose their distance and select a past event medal on finishing.
A looped trail event in Crystal Palace Park where runners complete 2.65 km laps within a 7 hour time limit. Distances range from 5 km to ultra and all participants receive a finishers' medal.
A low key multi-lap half and full marathon along the River Thames in Walton on Thames on 28 December 2026. The UKA certified flat towpath course awards medals to all finishers and has limited places.
January 2027
A 10.000 km trail race around Box Hill with steep climbs and scenic views, registration and parking at Denbies Vineyard. The event includes a kids fun run and a ladies race and uses a B Course around Denbies if Box Hill is unavailable.
Guided morning 10 km trail run through Chilterns hills and woodlands with Run Leaders, bag drop, cafe facilities and a cani cross option.
Two distance road and trail races at Epsom Racecourse with chip timing, sustainable medals, prize categories and charity fundraising.
A riverside 3.28 miles out-and-back event at Wraysbury offering distances from 5K to ultra and a six hour challenge, licensed by TRA and run under UKA rules.
Friday timed runs on a flat riverside 5.3 km lap with flexible entry options, charity allocation for the £10 run and commemorative finishers' medals.
Lap the Thames towpath in Walton-on-Thames with distances from a 5.3 km lap up to ultra plus flexible starts and medal or no medal entry options.
A 43-mile ultra from Wendover to Little Venice mixing trails, roads and canal towpath with GPS tracking, checkpoints, mandatory kit and an 11-hour cutoff.
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