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 2252 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 the Tegg's Nose Fell Race on Sat 8 Aug 2026 in the Peak District for a challenging 8 mile course with 525 m of climb and fine views. Held with sheep dog trials, this classic fell race accepts pre entries and entries on the day.

Tackle the Sticklepath Horseshoe a 15.5 km fell race over rugged moorland with 519 m climb. Pre entry is limited so book early. Bring map compass and solid navigation skills as this event is not suitable for beginners.

Trail races of 24K and 51K start from Talybont-on-Usk on 8 August 2026, with marked routes, marshals and stocked aid stations. Entries include a themed medal, chip timing and free race photos.

A long distance run and walk in northeast Wales along the Offa's Dyke Path with route options of 32, 24 and 16 miles, checkpoint refreshment and a finish certificate.

Seven Sevens is a mountain running event in County Down on 8 August 2026 covering 31 km with about 2800 m of ascent. Organised by BARF, the route has only major junction markings and GPS use is not allowed.

Trail running from Airthrey Castle at the University of Stirling with five distances from 5 km to 50 km, marked routes, fuel outposts and mandatory kit for the longer routes.

A team based 100 mile trail event in Cornwall with three route options. Teams of five self navigate with crew support, a 36 hour limit, qualifying experience required, and a non refundable entry fee of £110.

A muddy double loop trail race in Bordon on 8 August with woodland, sandy sections and technical single track. Options are a 5 km single lap or a 10 km two lap race with a 75 minute first lap cut off.

A last one standing Backyard Ultra at Florence Court with repeated 4.17 mile laps and one hour per lap; the event continues each hour until a single runner remains and is named Irish Champion 2026.

A pancake-flat *10 km* out and back along the Brecon and Monmouthshire canal between Gilwern and Llangattock, set in the Brecon Beacons National Park. Finishers receive a medal, there is a drink station at 5 km, and entries are online only.

Trail races at Farndale on 9 August 2026 offer three untaped courses from 8.3 to 29 miles. Competitors must navigate with printed maps, carry mandatory safety kit and use provided parking and overnight camper facilities.

A summer 10k through country lanes around Mount Ephraim Gardens in Kent, with a separate junior run and downloadable route maps. The event raises funds for Oasis Domestic Abuse Services and includes a bespoke medal and garden entry.

A 13.1 mile trail half marathon in the Derwent Valley on 9 August 2026, featuring 1666 ft of elevation and the Clockburn Lonnen in the first mile. The event includes on-course photography, post-run refreshments, a finisher T-shirt and cash..

Experience 13 miles of scenic fells and trails starting from the historic Lowther Castle. This marked course features river crossings and 1400ft of ascent with all proceeds supporting the Eden Valley Hospice.

A flagged and marshalled BS fell race from Uppermill with a 10 km course and 400 m of climb, entry via SiEntries and a post race chip butty included in the fee.

Choose any number of laps on a scenic 5.3 km loop at Denbies Wine Estate to make distances from 5 km up to ultra. Timed event with a flexible 1.5 hour start window and support on a hilly off road course.

A riverside race series from Barnes along the Thames Path offering 10 km, half marathon and marathon distances. Flat out and back courses are marked and marshalled with staffed checkpoints and professional medical cover.

Mixed terrain 10k and half marathon around Wye with valley views and the historic chalk crown, based at Wye Village Hall with a small event village, toilets and refreshments.

Four hour team relay at Minley Manor, Hampshire where teams of four run repeated 4 km off road laps through woods and grassland. Male, female and mixed categories have prizes for the top three teams in each.

The Stopsley Trail Race on Sunday 9 August 2026 offers 5K, 5 miles and 10 miles on scenic undulating trails along the Bedfordshire and Hertfordshire border. Entries include chip timing, bespoke medals, free photos and participant goodies.

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