Barnet
Trail Running Calendar near Barnet 2026-2027
Explore the top trail runs near Barnet for 2026-2027! We've gathered 177 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Seven hour Time Challenge along the River Thames in Staines offering lap based distances from 3km to ultra, with medals, pins, aid stations and goody bags.
A roughly 170 mile nonstop loop of London with strict checkpoint cutoffs, minimal support, and limited entry of 25 to 30 places.
Team cross country relays at Chingford Plain on 19 Sep 2026 with junior, senior and veteran races, limited entries and specific England Athletics eligibility and team rules.
Join this flexible timed event along the flat River Thames towpath in Walton on Thames. Complete as many laps as you like over seven hours to achieve distances from 5km to an ultra marathon.
A timed lap event in Crystal Palace Park where runners complete 2.65 km laps within a seven hour limit, choosing distances from 5 km to ultra. The off road course mixes tarmac and gravel and all participants receive a bespoke finishers medal.
Three evening trail time trials in the Chilterns on 23 Sep, 21 Oct and 25 Nov 2026, each around 8 km, marked and chip timed with mandatory head torch.
A five mile trail run on 24 September 2026 at The Viper in Mill Green near Ingatestone. Limited to over 18s with a small field; participants must be self sufficient with phone and headtorch and a tail runner is on course.
A Backyard Ultra in Welwyn Garden City where runners repeat a 4.167 mile loop each hour until one remains; entry includes drink vouchers and a commemorative pint glass.
A timed multi lap event on 26 September 2026 in Walton on Thames combining a flat 5.3 km out and back riverside course with a cake themed aid station, multiple distance options and a seven hour time limit.
Trail run in Bisham, Marlow on 27 September 2026 with Half Marathon, 10k and 1k routes along the Thames and through woodland.
October 2026
A 7 hour Time Challenge on a signed riverside loop in Staines offering flexible distances from 3 km up to 50 km, with medals, distance pins, aid stations and goody bags.
A timed track event in Walton on Thames on 2 October 2026 offering 6, 12 and 24 hour formats with chip timing, 400 m laps and distance options from 5 km up to 100 mile equivalents. The track is limited to 100 runners at once.
A 50 km Epping Forest event in London on 03 October 2026, listed as part of Camino Ultra’s 2026 events.
A 25 km EcoTrail event in Bell Common, Epping on 3 October 2026, listed as part of the 2026 events calendar.
An inflatable obstacle course event at Kempton Park Racecourse on 3 October 2026 with 2.5K, 5K, 10K and 15K options for ages 5 and up.
A timed endurance event around King George’s Parks where participants run a 3.5 km loop every 30 minutes for up to 12 hours, either solo or in pairs.