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 2132 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.

A cross country event at Ormeau Park on 8 November 2026, part of the Cross Country League, with youth and senior races from 1 to 4 miles and team and individual prizes.

A multi terrain race of about 12 km around Barton Farm Country Park in Bradford on Avon on 2 November 2025, featuring a river crossing and off road sections; the event raises funds for Alzheimer's Support (West Wilts).

A 10 km night off-road race at Wyre Forest Visitor Centre on 11 November 2026. Torches are compulsory and canicross is permitted; medals and prizes are awarded and a self-service water refill is provided.

A three day, 84 mile (135 km) ultramarathon along the Ridgeway from Buckinghamshire to Wiltshire with two overnight stops in Watlington and Didcot. Organised by XNRG Druids, it offers full packages with accommodation and single day entry op..

Timed laps on a 5.3 km riverside course at Chorlton Water Park, with a seven hour limit and a Lucky Dip of classic Phoenix medals.

A flexible Friday running event on a flat 5.3 km out and back course along the Thames offering distances from 5 km to ultra, timed over a seven hour limit with bespoke finishers medals.

A Punk Panther trail event on 14 November 2026 around Otley, Ilkley and Guiseley offering 13, 20 and 35 mile options with mandatory kit, checkpoint support and trackers supplied or available to hire.

A canal-side running event in Kirkstall on 14 November 2026 offering 5K, 10K and half marathon routes, finisher rewards and flexible entry options for a self-paced weekend run.

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.

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.

Trail ultramarathon on the Weavers' Way with **100 km** from Great Yarmouth and **50 km** from Stalham, passing marshes, rivers, stately homes and finishing 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.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.