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 1836 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.

Scrabo is a punchy mountain run in County Down on Thursday 20 August 2026, featuring 6.3 km of rugged trail with 360 m of ascent. Expect marked junctions, mandatory safety kit and a rewarding summit atmosphere.

Four self-navigated Peak District trail races from Edale, offering 10.5 to 41 miles with GPX and maps provided, long gaps between checkpoints, mandatory kit requirements and finishers' medals.

Take on the Summer Green Man Ultra near Bristol on 22 August 2026, choosing 45 or 30 mile clockwise loops that finish at Ashton Park School. Scenic Community Forest Path, chip timing and live competitor tracking make for a supported memorab..

Take on the Gateshead Trail 10 km through Derwent Walk Country Park on 22 Aug 2026. Enjoy mostly gentle trails and a social double loop. Finish in a lively village with food, music and coffee and grab a designer medal bottle opener.

A marked trail running event in Llangattock, Wales on 22 August 2026 offering 10 km, 10 mile, 20 mile and 32 mile routes with published GPX files, staffed checkpoints, mandatory kit checks and on site facilities.

Take in stunning reservoir views at the Carsington Water Half Marathon and 10K on 22 August 2026, with undulating trail routes suitable for all abilities. Enjoy a lively event village, marked course and friendly marshals for a memorable day..

Tackle the Hartsop Hop, a classic Lake District fell race from Hartsop covering 19.5 km with 1370 m of ascent. Expect rugged ridges, steep descents and spectacular Haweswater views; enter in advance or on the day while places remain.

Test yourself on the Falstone Falcon, a classic Northumberland fell race: 5.8 km with around 300 m of climb over rugged moorland. No pre entry needed, just turn up for £2 and race under FRA permit.

A long fell race across the Ochil Hills from Glen Devon to Stirling University, visiting multiple summit controls. The route includes two marked sections, mandatory navigation kit, and pre entry or limited on the day entry.

Enjoy the Summer Extravaganza on the Leeds Liverpool Canal towpath in Kirkstall, with distances from 10k to marathon. Finishers receive bespoke medals and postrace treats and organisers donate £1 to Hollybush charity per runner.

Final event in the Phoenix Running 2026 Summer Series at Chorlton Water Park. Timed laps on a 5.3 km out and back riverside course let participants cover distances from 5 km up to ultra and all finishers receive a bespoke medal.

The Run the Borders will take place in Melrose from Saturday 22 August 2026 to Sunday 23 August 2026. You can run between 50 and 109 kilometers.

Gecko Gathering at Scorrier House in Redruth on 23 August 2026 offers trail races from 2.5 km to a half marathon plus a five hour Scorriergeddon endurance challenge, with a race village, music, food stalls, medals and awards.

Run The Big Pilgrimage on 23 August along the Old Way from Southampton to historic abbeys, with 15 mile and marathon options across mixed terrain. Enjoy a short boat crossing with pick n mix sweets and collect landmark stickers for a memora..

Tackle 21 km of dramatic lakeshore and woodland trails around Derwentwater at the Borrowdale Trail Half Marathon in Keswick. Hilly terrain and sweeping views reward every step and finishers earn a bespoke medal.

A 44 km trail marathon from Keswick that climbs Scafell Pike and returns via lakeshore and high mountain trails. The route is marked to Seathwaite but the mountain section is unmarked so navigation skills and mandatory kit are required.

Beast of Bryn invites runners to tackle scenic but tough mountain trails in Afan Forest Park near Port Talbot, with 6.5 mile and 10.5 mile options plus a one mile fun run for youngsters. Organized by local charity BRAG, proceeds support com..

A 5 mile trail race on 23 August 2026 at Leigh Sports Village organised by Leigh Harriers AC. The event is licenced by TRA and follows UK Athletics Rules, with separate entry fees for affiliated and unaffiliated runners.

Take on the Trunce 8, a classic Peak District fell race starting and finishing at Oxspring Playing Field. The 6.2 km route climbs 190 m and entry is on the day for £3, with a junior 3 km race for over 10s at £1.

Tackle Roseberry Topping on Wed 26 Aug 2026 in this classic short fell race hosted from Newton under Roseberry. Expect a punchy 2.3 km course with big climb and great views, junior entries welcome and on the day entry available.