Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2175 exciting trail runs across the country. Find your next trail run in United Kingdom below and join the trail community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
October 2026
Trail races around Roadford Lake organised by Sportiva Events. Distances include 10K and half marathon with canicross options. Entries include chip timing, feed station, medal, refreshments and category prizes.
A fully marked single loop 50K trail race around the Chilterns starting and finishing in Berkhamsted, with three aid stations, mandatory kit and a nine hour cutoff.
Trail Outlaws stages Dark Skies Run @ Wooler in Northumberland with fully marked trails, stocked check points and options for a Trail 10k or a Half Marathon. Entry fees shown range from £25 to £36.
A 9.5 km trail race with a flat fast section along Monsal Dale followed by a climb and descent of Fin Cop finishing at Monsal Head, with 500 m of ascent.
Trail running at Glenridding on Ullswater with 5 km, 10 km and 15 km routes across marked trails into the foothills of Helvellyn.
A six hour timed trail at Linacre Reservoirs where runners complete repeated 5 km laps and aim for as many laps as possible. Checkpoints offer food and drinks and every finisher receives a medal.
A Halloween themed 6.66 km trail run in Chelmsford on 31 October 2026 with GPX/Strava route support, fancy dress prizes and a brewery finish offering a medal, drink and crisps.
A 32 km fell event on Pen y Fan with three ascents via six different routes and an optional 16 kg weighted category; navigation and GPX use are required.
Night laps by head torch through Alice Holt Forest with three route lengths, one refuel outpost per lap, free parking and a metal finisher medal.
Trail half marathon around Dalmeny Estate and Cammo Nature Reserve with wooded trails, riverside paths, under 1000 ft total ascent, chip timing and a finisher medal.
Join this flexible charity run along the River Mersey in Manchester. Complete as many 5.3km laps as you like in seven hours on a flat riverside course to support Save The Rhino.
Full and half marathon around Gargrave through Yorkshire Dales to the Broughton Stone Circle, with refreshment stations and proceeds supporting a participant's World Scout Jamboree 2027 attendance.
A night trail event at Delamere Forest with a Spooky Halloween theme, reflective course markings and races over 10 km and a half marathon.
An evening timed run at Riverside Park in St Neots on Halloween offering laps of a 5.3 km out and back course. Head torches are compulsory and all participants receive a finishers medal, with distances from one lap to ultra.
Winter fell race up Sugar Loaf covering 9.6 km with 485 m ascent from The Crown, Pantygelli; full WFRA kit required and entry via Fabian4 with limited parking.
Halloween evening races at Hogmoor with a 3.3K kids loop, 6.6K and 10K adult loops and a canicross category; fancy dress and head torches are encouraged.
Two clockwise routes around Ullswater from Pooley Bridge on 31 October 2026: a 20 mile route and a 24 mile challenge with an optional high level Glencoyne traverse.
A timed, lap-based run along the Itchen Way in Winchester with 2.62 mile loops, a seven hour limit, flexible start times, an aid station with vegan options, and a bespoke finisher's medal.
A night time 5k at Herons Reach Blackpool on 31 October 2026 over multi terrain parkland. Pre booked entry is required with set fees by age category and all finishers receive a glow in the dark medal.
A circular night trail race of about 7ish miles from Sutton Bank Visitor Centre, glow-sticked and marshalled, with mandatory kit and a kit check at registration.