Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2110 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

Held in Porth Penrhyn, Bangor on 14-15 November 2026, Slate Trail Ultra offers two trail races of 147 km and 80 km along the Snowdonia Slate Trail with substantial elevation gain and organised aid stations.

Fully marked trail races at Margam Park including a half marathon and a 10k, running through woodland, parkland and the deer park with coastal views; entries include parking, timing, a medal and download photos.

A 50 mile race of five 10 mile loops wholly within Wendover Woods, featuring 10,000 feet of climb, nine well stocked aid stations and marked trails. The event is supported by race medics, has a 15 hour cut off and requires marathon qualific..

An hourly backyard ultra on a 4.167 mile loop near Leeds where runners must complete each loop within the hour. The event continues until one runner completes a loop alone and is crowned champion.

Trail Half Marathon Wales runs in Margam Country Park and Forest on 14 November 2026, offering a fully marked half marathon and 10k on forest trails with checkpoints, safety cover, and included car parking.

Winter Weavers' Way on 14 November 2026 offers two ultramarathon distances along Norfolk's Weavers' Way, featuring marshes, riverside trails, stately homes and a seaside finish at Cromer Pier.

A family friendly timed trail run on 14 November 2026 in Padstow along the Camel Trail in support of the National Lobster Hatchery. Distances range from 2.5 km to 10 miles with Canicross options.

Trail 5 km and 10 km races on the Bath Skyline with night and day options and a 500 m kids run. Mixed terrain routes are well marked and marshalled and finishers receive a two sided medal.

A guided 55 km route on Anglesey visiting three high tops with over 2000 m of ascent, starting and finishing at Lligwy beach. The course is split into five supported sections with guides, checkpoints and a wooden medal on completion.

A winter 2026/27 night trail series across Somerset with four events and both 5km and 10km route options. Runners can enter individual events or the full series and order a bespoke wooden finisher's medal for each race.

Timed multi lap event on the Itchen Way in Winchester on 14 November 2026, with 2.62 mile laps that add up to half marathon, marathon and ultra distances. Flexible start format, aid station with vegan options, bespoke finisher's medal.

A 40 mile trail ultramarathon starting and finishing in Lymm that circumnavigates Warrington on tracks, paths and lanes. The 2026 race is on 14 November with solo, pair and four person relay entry options.

A mountain fell race of 8.8 km with 714 m ascent around Llyn y Fan near Llanddeusant. The mostly unmarked, remote route requires navigation and mountain skills; entries are limited to 50 runners.

A 16.1 km fell race around Penmaenmawr with about 594 m of ascent, based at Capelulo Village Hall. The route is partially marked and requires navigation; entry is online with a £12 fee.

A half marathon through the Kilpatrick Hills near Overtoun House in Dumbarton on 14 November 2026, using single-track trails and forestry roads with rolling climbs. The race is full and a waiting list is open.

Trail races at Westerlands near Graffham: a 50 km Ultra linking five long distance trails and a 13 mile Half on three trails, with SportIdent timing, aid stations, mandatory kit and a wooden eco-medal for finishers.

A 15 km fell race in the Peak District with about 660 m of climbing, open to runners aged 18 and over; pre-entry and on-the-day entry are available and FRA minimum kit is required.

Trail Outlaws' Wooler Trail Events include marathon and half marathon routes based at Wooler Hostel in Northumberland National Park. Routes are fully marked with stocked checkpoints and often cross hilly, boggy, exposed terrain with wide vi..

Trail running near Brockenhurst in the New Forest National Park on wide, hard packed trails through woodland and heath. Three distances from 10k to a 21.6k half marathon, with chip timing, on-course drinks and a metal finisher medal.

Trail races from 5 miles to marathon start at Skelton Lake Services and explore Rothwell Country Park, with water stations, a cupless approach, a bespoke medal and kebabs at the finish.

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