Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1291 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.

Isle of Jura Fell Race is held on the Isle of Jura, Scotland. The route covers 28km with 7 summits and about 2,370 metres of climbing, making it a stern test of hillcraft, endurance and technique. The organizers describe it as one of the to..

Explore the Surrey countryside at The Fox, a trail running festival offering distances from 20K to 62K that all finish in Godalming. Enjoy scenic singletrack, regular aid stations and a friendly atmosphere on Saturday 23 May 2026.

Tackle the stunning Seven Sisters Half Marathon on the South Downs, a 13.5 mile single loop that crests the iconic cliffs, crosses Beachy Head and winds through Friston Forest. Expect rolling hills, mostly runnable trail and unforgettable c..

Take on the Grand Union Canal Race, a nonstop 145 mile ultra from Birmingham to Little Venice along scenic towpaths. Limited to 100 starters with a 45 hour limit, it welcomes supported and unsupported runners for a true canal challenge.

Tough 25 km fell race with 1500 m ascent in the Howgill Fells on 23 May 2026, offering load carrying and runner or walker categories. Finishers get a patch and a pub pint to toast your effort.

Kirkhill 8 is an 8 hour timed trail at Kirkhill Forest where you repeat a scenic 4.3 mile loop as many times as you like, aiming for distances from 20 miles to 50 miles. Field limited to 100 with pre entry closing 30 April 2026.

Run the Whinlatter Forest Half Marathon or 10K on 24 May 2026 on scenic trails with steep climbs, fast descents and views of Bassenthwaite and Skiddaw. Canicross welcome and finishers receive a bespoke medal and a drink.

Event overview Get the Hull out of Here is a trail running event based at Pelican Park Recreation Ground, Lambwath Road, Hull, HU8 0EE. The next race is scheduled for 24/05/2026. The course follows the TransPennine Trail and the Hornsea Rai..

Join a scenic 26.2 mile marathon in Richmond Park over three laps of the Tamsin Trail and park perimeter. A 3 mile kids challenge follows, with on course drink stations and medical support for a safe, memorable morning.

A classic Coniston fell race packing a punch in just a mile, climbing 900 feet on a steep ascent and scree descent. A BOFRA counter for juniors and seniors, it delivers a short sharp test with fine Lakeland views.

Blair Castle Trail Weekender offers scenic trail races from kids runs to a 60 km ultra across the Atholl Estate beneath the Cairngorms. The event village brings live music, outdoor cinema and wellness workshops for a festival feel.

Beat The Sunset 50km in Maidenhead is mainly off road, a flat single lap along the Thames Path and Jubilee River for a scenic ultramarathon. Chip timing, live tracking, feed stations and a finisher medal make it welcoming.

The Norn Iron Ultra will take place in Ballintoy on Saturday 30 May 2026.

UTMB Index

Take on the Ridgeway Challenge, an 86 mile point to point trail race along Britain’s ancient Ridgeway from Ivinghoe Beacon to Avebury. Tackle the full route in 28 hours for a true long distance test across rolling chalk downland and prehist..

UTMB Index

The Three Castles 50km Ultra Marathon is a scenic race held in Kent, England, starting in Rochester and finishing at Tonbridge athletics track. The flat course follows the River Medway, passing three medieval castles, charming villages, and..

The Castle Trails 30km is a scenic point-to-point trail race in Kent, launching in 2026 as part of the Three Castles 50km Ultra weekend. Starting at Little Fant Farm near Maidstone and finishing in Tonbridge, the course follows the River Me..

Explore Grasmere in the OMM Lite Trail Quest Team on 30 to 31 May 2026, racing solo or in teams to visit as many of 30 mapped checkpoints as you can before the time limit. Expect live tracking, bespoke maps, timing chips and a hot post race..

Join the Yorkshire Weekend Saunter Series at the Fisherman Inn in Bingley for scenic, relaxed runs where you can run, jog or walk at your own pace. Choose 5K 10K or half marathon and enjoy a jumble medal, hot food and a drink at the finish.

The The Maverick Peak District Trail will take place in Bakewell on Saturday 30 May 2026. You can run between 10 and 52 kilometers.

Take on the Rocky at 50 Run Wales, a relaxed 7 hour time challenge at scenic Dare Valley Country Park where you pick your distance from a 3 km minimum up to 50 km. Finishers earn themed medals and enjoy tasty aid station treats.