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 2170 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.

Join this flexible timed event at Riverside Park in St Neots. Run as many 5.3 km laps as you like over six hours on a flat course along the River Great Ouse to earn a festive snowflake medal.

Festive-themed half trail in Mid-Suffolk on a well signed 13.1 mile route with cupless hydration, mandatory trail shoes, on-course photography and prizes for top finishers.

Trail runs at Wyre Forest on 13 December 2026 include a family one mile plus 5 km and 10 km options, with canicross on the 5 km and 10 km. Finishers receive medals and seasonal refreshments.

A pre Christmas anniversary timed run in Stroud on 13 December 2026 with flexible lap-based entry on a 3.28 mile canal route; distances range from 5 km to ultra and all finishers receive a bespoke medal and a memento.

15 mile winter endurance race in the Lincolnshire Wolds with loadbearing and clean fatigue options, minimum age 18 and strict time cutoffs.

Mortimer Forest Trail Race is a trail running event in Mortimer Forest organised by Ludlow Runners and set for 13 December 2026. The organiser's site lists routes, sign up, environmental information, photos, results and contact details.

BigXmas Trail Festival on 13 December 2026 offers three trail distances at Sale Water Park in Greater Manchester. Courses are marked and marshalled with aid stations on the half and marathon, chip timing, and a finishers medal or tree plant..

A guided 16k run at High Lodge in Thetford Forest with forest information and practical trail-running tips. Runs are led at a conversational pace and suit road runners taking their first steps into trail running.

The Lesnes Abbey 5 will take place in Belvedere on Sunday 13 December 2026. You can run 5 miles.

Christmas series run at Pengethley Manor on 14 Dec 2026 offering 5k to ultra options, 7 hour limit and an off road lap course through vineyards.

A self-navigated festive night trail of about 5 miles through Friston Forest and downland, with medals, a bar perk and a fancy dress dessert prize.

Part of a 12 Days of Christmas series at Pengethley Manor offering 5k to ultra distances on an off road course with a seven hour time limit.

Offroad race at Pengethley Manor offering 5k, 10k, half, marathon and ultra options with a seven hour limit and a virtual entry option.

Off-road event at Pengethley Manor offering 5k, 10k, half, marathon or ultra with a seven hour limit plus virtual entry and medal options.

Join a festive Christmas run along the flat Jubilee River. Choose your own distance in this 6-hour timed event on a scenic towpath. All finishers receive a bespoke festive medal.

A 6.6 km fell race to Chapelfell Top (703 m) in Weardale run entirely in the dark on unmarked, rough terrain; navigation experience and strict kit rules apply.

A trail half marathon near Bridgend with mixed terrain, an initial eight mile section plus about five extra miles, limited to 70 runners and a prize for Christmas fancy dress.

A festive trail race at Bwlch Penbarras with a mystery course of 6 to 12 kilometres, a canicross category, marshals and a mince pie at the finish.

A winter, unmarked 38 mile mountain circuit around Helvellyn starting and finishing at Askham Community Centre. Limited to experienced entrants, the event requires navigation skills, strict mandatory kit and offers minimal checkpoint suppor..

Christmas Canter at Suffolk Running Centre offers 5k, 10k, half, full and ultra distances, a bespoke finisher medal, aid stations every 10k and parking included. The event uses loop and out and back formats and has a seven hour cut off.

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.