Watford
Trail Running Calendar near Watford 2026-2027
Explore the top trail runs near Watford for 2026-2027! We've gathered 196 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
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.
A lakeside Christmas event in Milton Keynes offering marathon and half marathon options with 7½ and 3½ clockwise laps of Caldecotte Lake. Finishers receive a bespoke medal and the event is held under 100 Marathon Club rules.
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.
A guided 10 km trail run in the Chilterns from Church Farm Cafe, Aldbury, featuring hills, woodland routes, on site parking and bag drop.
A long running mixed trail and road race at Epsom Racecourse offering ten mile and 10k options, timed results, wooden finisher medals and local 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.
A flexible 7 hour time challenge along the River Thames in Staines offering distances from 3 km up to 50 km, medals, distance pins and on-course aid.