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 2112 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.

Experience a self navigation trail challenge through the Brecon Beacons National Park with distances ranging from 13 to 50 miles. Enjoy full support and mountain landmarks on a course featuring over 11000 feet of elevation.

A 24 hours ultra trail event from Llanberis that challenges solo runners or relay teams to ascend Yr Wyddfa as many times as possible. UTMB indexed distances and on course support are provided, with an official charity partner.

A 10 km adventure run with cargo nets, walls, monkey bars and a water slide near the Lake District. The event is part of a village Festival of Sport and includes shorter runs and family activities.

A 24-hour multi-terrain relay or solo race near RM13 with teams of 2 to 8, repeated 5.75 mile laps, free camping and on-site catering, showers and first aid. Entry fees are published from £89 to £110.

Trail races from Slaithwaite follow the Huddersfield canal out to Tunnel End, with four distance options, on course feed stations and marshals. Parking is limited and registration is at Slaithwaite Community Centre.

A series of waymarked, marshalled Lake District trail races from 14k to 100k based in Ambleside, with compulsory kit for ultras, GPX files for ultra distances, on-course feed stations and ITRA points for the 55k and 100k.

A trail ultramarathon from Lewknor to Avebury in Oxfordshire with 100 km and two 50 km stage options, following the Ridgeway through historic sites and offering pit stops, chip timing and basecamp facilities.

An evening running event in Perranporth on 11 July 2026 offering a coastal half marathon and a long 10.5 km, supporting Cornwall Air Ambulance. Medals, awards and free race photography; timed via ST App Service with no chip timing.

A 100 km point to point trail from Melrose to Holy Island following the waymarked Saint Cuthbert's Way. The route crosses the Scottish Borders and Northumberland National Park, is marshalled with GPS tracking and has a 19.5 hour cut off.

A fun run on an inflatable obstacle course in Southampton on 11 July 2026, with distances from 2.5k to 15k, music zones, on-course water, and a finisher's medal for participants.

Circular routes from 10 to 40 miles start in Hallow and run through 12 local parishes, mainly off road on public footpaths. Checkpoints provide drinks and snacks and entry fees include refreshments, a hot meal and a completion certificate.

Trail event at Carding Mill Valley offering 10K, half marathon and marathon routes across the Shropshire Hills and Long Mynd, with marked trails, aid stations and a medal included.

Alva Games is the British Championship hill race at Alva near Stirling on 11 July 2026. The course is about 2.5 km with 365 meters of climb and it counts as a BOFRA Championship counter.

An off road running event on 11 July 2026 in Tipton St John featuring a scenic 10 km route through the Otter Valley and an approximately one mile Fun Run. Camping is available and finishers receive local prizes and medals.

Wasdale Fell Race is a long mountain event in Wasdale covering 34 km/21.1 mi with 2750 m ascent. Navigation and strong mountain experience are required, full FRA kit is mandatory and carrying a provided tracker is compulsory.

Take on the New Embsay Fell Race on Sat 11 Jul: a punchy 2.5 mile course with 195 m of climb through the Yorks Dales. Part of the village fete, enjoy entertainment and refreshments and easy on the day entry for a fun community challenge.

Take on the Charlesworth & Chisworth Carnival Fell Race on Sat 11 Jul 2026 in the Peak District, a testing 5 km / 3.1 mile course with 180 m of climb. Pre entry and entry on the day plus junior races make this a great community running day.

Trail races from 8 km up to a 50 km ultra around Princes Risborough, using ancient beech woods, chalk downs and Ridgeway sections with marked routes and fuel outposts.

A point to point challenge of just over 40 miles across the classic Lyke Wake route from near Osmotherley to Ravenscar, run on a handicap basis with seven checkpoints, mandatory kit and a twelve hour overall time limit.

A timed, multi lap run at Parc Taf Bargoed using a 5.3 km out and back lap. Distances range from 5 km to ultra with a seven hour limit and a medal or no medal entry option.

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.