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 1756 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.

Dark Skies Series brings winter night trail running to Somerset with three atmospheric events offering 5 km and 10 km routes. Enter individual races or the full series and collect a bespoke wooden finisher's medal to mark the achievement.

Take on the iconic Box Hill fell race on Sat 17 Jan 2026 from the Stepping Stones pub, a challenging 12 km route with 530 m of climb and sweeping Surrey views. Pre entry only and entries fill fast, so be ready when entries open.

Join the Tiaras & Tutus Orange Run on 17 January for distances from 5 km to ultra along a flat riverside towpath. Enjoy a flexible one hour start window, seven hour time limit and bespoke finisher medals in a fun, limited field event.

Join the Manchester Doughnut Dash at Hardy Farm for a multi lap run along the River Mersey towpath with Krispy Kreme doughnuts on course. Choose from 5 km to ultra distances, enjoy a medal, and support Rescued Kitties Charity.

Join the Twilight Run at Tehidy Country Park in Camborne on 17 Jan 2026 for scenic 2.5, 5 and 10 km trail races with canicross welcome and a medal for all. Friendly vibe, free photos and championship points make it a must.

Winter Pairs is a seniors only three race fell series on Dartmoor run in pairs, where navigation and tough climbs test teamwork. Limited to 35 pairs, one entry covers all races and supports North Dartmoor Search and Rescue.

Tackle Dartmoor in the Winter Pairs, a rugged 19 km trail around Western Tors with about 650 m of climb. Teams of two, pre entry only and required kit make this a compact winter challenge with just 35 pairs.

Green Gateways is a trail run around Leeds on the Greenway and Meanwood Valley Trail, threading near city parks and green spaces. Pick 14, 20 or 34 mile routes with checkpoints and trackers for a rewarding urban trail adventure.

Join Scurry Around Vogrie Country Park for scenic mixed terrain runs starting by the Victorian manor, with distances from a 1.6km family fun run to a half marathon. Marshaled courses, post race treats and medals for all.

Discover the new Cardiff Trail 10k, a scenic 10 km trail run through Fforest fawr near Castell Coch. Expect muddy singletrack, sweeping views and a friendly atmosphere perfect for trail runners looking for a January adventure.

Join the Rise From The Ashes Run, a 7 hour timed trail along the River Wear with stunning Cathedral views, offering distances from a short 3 km up to marathon and ultra options. Finishers get a themed medal and goody bag with vegan choices.

Start 2026 with the Sherwood New Year 10k, 5k & Junior Run on 18 January at Sherwood Pines, tackling scenic, undulating forest trails. Enjoy bespoke medals, free photos, parking and a welcoming atmosphere for all.

Run the South Downs Way from Heyshott to Arundel Lido on 18 January 2026, choosing either a marathon or a scenic 15 Mile route. Expect muddy winter trails, river views and a friendly finish with coach transfer back to the start.

Take on the Riverbank Rollick, a scenic 9.6 mile trail run along riverbanks, woodland and fields with about 80% off road and likely muddy January conditions. Finishers get a bespoke buff and a linkable metal medal in the Thornbury series.

Join the Stanbury Splash, a scenic 12 km fell race at Penistone Hill Country Park, with 400 m climb, stream crossings and muddy trails. Part of the Woodentops series, entries are limited and prizes include Soreen loaves and vet awards.

The Envious Run at Pengethley Manor in Ross on Wye is an offroad lap race through vineyards and rolling hills, part of the 7 Deadly Sins series. Distances from 5k to ultra welcome runners and walkers and virtual entries are available.

Ryde Harriers host a three race cross country series at Smallbrook Stadium on 18 January, 15 February and 22 February 2026. Open to ages 15 plus with just 300 places, pre entry is recommended and runners should bring cross country spikes or..

Tackle the scenic but testing Benfleet 15, a 15 mile trail taking in Hadleigh Downs, the Canvey sea wall and parts of the 2012 Olympic mountain bike course. Join the fun at Hadleigh Country Park on 18 January 2026 for a muddy, memorable cha..

Take on the Frostbite Trail Race on 18 January 2026 at Lochore Meadows Country Park for a winter trail challenge. Tackle a two lap 4 to 4.5 mile wooded course with muddy sections, earn a finisher memento and see photos online.

Join the Rise From The Ashes Run in Durham for a scenic trail Time Challenge along the River Wear with cathedral views; walkers welcome. Pick laps in a 7 hour window from 3km to 50km, with aid stations, vegan options and themed medals.