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Trail Running Calendar United Kingdom 2026-2027

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Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2370 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
Halloween themed trail event on the Leeds to Liverpool Canal with distances from a 1 mile fun run to ultra marathon, medals, treats and fancy dress prizes.
An 8 hour timed out and back event near Bridestowe with 5.3 km laps on a disused train line, limited to 70 entrants and entries close 29 Oct 2026.
A Halloween-themed 10K trail in Auchterarder through the Ochil Hills with varied terrain, goody bag, medals and age-category prizes; online entry, age 16 and over.
Fell race from the Summit Inn in Littleborough covering 4.3 miles with over 800 ft of ascent, junior categories and Halloween costume prizes.
Trail races at Roadford Lake on 31/10/2026 offering 10K and Half Marathon options with chip timing, medals, feed station, and category prizes.
A fully marked single loop 50K trail race around the Chilterns with three checkpoints, a 9 hour limit and start finish at Berkhamsted Cricket Club.
A night 10 km trail run from Wooler Hostel around Humbleton Hillfort with marked checkpoints, mandatory kit requirements and a three hour cut off.
A 9.5 km trail with 500 m ascent, starting along Monsal Dale then climbing Fin Cop to finish at Monsal Head; FRA licensed with mandatory kit and a 250 runner limit.
Trail running in Glenridding with 5 km, 10 km and 15 km routes on marked trails around Ullswater and 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.
Halloween themed 6.66 km trail run at a brewery in Great Baddow on 31 Oct 2026, with fancy dress, costume prizes, a medal, finishers drink, and limited parking.
A 32km fell event on Pen y Fan with three ascents via six different routes, offered as a classic race or a 16kg weighted category.
Night gravel running in Alice Holt Forest with 5 km laps offering 5, 10 or 15 km, one refresh outpost per lap and a cup free refill policy.
Scenic chip timed half marathon near South Queensferry on woodland and coastal trails, with finisher medal and proceeds supporting South Queensferry RNLI.
Timed trail laps at Hardy Farm along the River Mersey with a seven-hour window; proceeds support Save The Rhino and local charities.
Full and half marathons around Gargrave through Yorkshire Dales to the Broughton Stone Circle, volunteer run and non profit with looped courses and on route refreshments.
Night trail running at Delamere Forest with 10K, half marathon and a free 1K kids race; mandatory head torch and a fully signed course.
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.
A 9.6 km fell race with 485 m ascent near Abergavenny on 31 October 2026; full WFRA kit is required and parking at the pub is very limited.
An evening Halloween trail at Hogmoor with kids, adult and canicross looped races, medals, free parking and on-site refreshments.
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