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 2294 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.

Trail runs of 21.6 km, 15.2 km and 7.9 km around Queen Elizabeth Country Park in the South Downs, featuring tree lined trails, varied off road surfaces, chip timing and a finisher medal.

A twilight trail run in Hurn Forest with 5 or 10 mile out and back routes. Torches are required, 20% of entry fees go to Forestry England, and basic on-site facilities include an aid station and toilets.

A trail event in Slaithwaite along the Huddersfield narrow gauge canal with options from 5k to marathon. Feed stations, marshals and a 6.5 hour cut off support participants across varied canal and tunnel terrain.

A two-distance running event by G3 Series on 30 January 2027 at Hound House Road, Surrey, with 15km and 10km options and bundle pricing; start line and car park are in the field off Hound House Road with flags and signs.

Looped 7K and 10K courses in Chalfont St Peter and Gerrards Cross let runners choose distances from a single loop to ultramarathon. Aid stations, marked routes, crew access and medical support are provided, with prizes for top finishers in..

A winter trail 10 km through medieval Lavenham along an old railway line, featuring mixed terrain, mud and shallow streams. All finishers receive a medal and podium trophies are awarded for top finishers.

February 2027

Squirrel Challenge at Daventry Country Park is a six hour timed event on a 3.3 mile off-road loop where participants complete as many laps as they choose. Canicross is permitted and the route passes woods, open grassland and water.

A winter trail challenge from Barley, Lancashire offering waymarked 45 mile and 30 mile routes across South Pennines moorland with required winter kit and route maps provided.

A night race at Westonbirt National Arboretum on 6 February 2027, with scenic routes through tree collections and firm trail-like surfaces. Distances include 5 km and 10 km; tickets are currently sold out.

A winter single loop trail race near Petersfield covering about 53 miles with roughly 6400 ft of climbing, six aid stations and full waymarking. It is a UTMB Index race worth 3 ITRA points and requires a marathon qualifier.

A two lap half marathon and a 5 mile race in Exeter on Saturday February 6 and Sunday February 7, both routed along the Quayside and through Riverside Valley Park, offering charity places, medals, and England Athletics discounts.

Experience a unique 10 mile nighttime trail run through the fabled Simonside Hills of Northumberland. Navigate rocky trails and steep climbs under the stars in this atmospheric winter event.

Test your endurance at the Wadsworth Trog fell race in the South and West Pennines. This 31 km event features over 1100 meters of climbing and requires navigation skills for participants traversing the Hebden Bridge landscape.

A seven hour trail event at Callander Park, Falkirk with a 4.14 mile loop and an optional 1 km route. Solo and relay entries are available with live tracking and on site support.

A two-day, 66-mile winter trail event along the North Downs Way with organised accommodation, luggage transfers, marked route and medical cover; the route crosses woodlands, fields and villages and includes winter trail conditions.

A 12-hour Backyard Ultra near Crickhowell on a 4.167 mile loop split between trail and tarmac. First eleven loops are hourly, the twelfth is a race, with loop medals, a 32-mile ultra medal, and a trophy for the winner.

Flat, waterside races along the Leeds and Liverpool Canal offering distances from 10K to ultra marathon, Trail Running Association licensed and supported with feed stations and a sweet-filled finish.

A roughly 21 mile loop around the Ardgartan Peninsula near Arrochar with about 90% off road terrain, forestry trails and an open hill section. Two safety water stations are at 7 miles and 13 miles and mandatory seasonal kit is required.

A 5km and 10km run through Westonbirt Arboretum on 7 February 2027, with firm trail terrain and routes through areas showcasing over 2,500 tree species. The event is family friendly and tickets are currently sold out.

A point to point ultramarathon of about 48 miles along the Peddars Way from Knettishall Heath to the Norfolk coast, with GPS tracking, mandatory winter kit, three checkpoints and a shuttle bus option, plus a bespoke wooden medal at the fini..

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