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 2229 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.

A guided social trail run from Milngavie Train Station exploring about 8 km of local paths including the Clyde Coastal Path and parts of the West Highland Way. A qualified guide leads small groups with mandatory trail shoes and limited plac..

A scenic 10K around Sandringham Estate on 12 June 2026 with chip timing, a bespoke medal and on course photography. The mixed trail and road route is marshalled and held under UK Athletics and Trail Running Association rules.

A 24 hour trail race around Sandringham Estate with solo and team entries, camping and an event village. The weekend includes a five mile lap format, a children’s one mile fun run, timing, medical support and on-site facilities.

Enjoy a 10 km stroll or jog through the Eden Valley reaching the summit of Birket Fell. This evening event features a local food tasting experience and guided options with hosts sharing local history and mountain stories.

A seven hour timed Chasing Numbers event on 12 June 2026 in Egham with a signed lap course along the River Thames. Finishers from 3 km receive a medal and goody bag and distance pins are available for longer achievements.

A flexible Friday run along the Thames. Choose your start time and your distance, from a 5k lap to an ultra. It's a smaller event with a lower fee, but you still get one of the famous Phoenix medals.

An evening two-lap race in Linn Park on Glasgow's south side, covering just under 8 km and featuring the park waterfall and historic Halfpenny Bridge. The event is manually timed, supports the Friends of Linn Park, and has limited entry.

A 42 km multi island trail across four Isles of Scilly with full circumnavigations of St Martins, Tresco, Bryher and St Agnes and a final run to St Marys. The course uses marked coastal paths, tidal ferry transfers and requires self support..

Marked 10 mile and 20 mile off road trail races in Fotheringhay near Peterborough, with camping available, aid stations, and an eco friendly request to bring a cup or bottle.

Gnosall 10K is an 11.2k multi terrain race through Staffordshire countryside, following canal towpaths, a disused railway line, farm lanes and field paths. The event is limited to 400 runners and is organised by Gnosall Globetrotters.

A point-to-point 15 mile trail race along the Offa's Dyke footpath between Hay-on-Wye and Kington with three water stations, relay options at mid-race handover points, and age-group prizes.

A multi-distance coastal event on Mount Edgcumbe peninsula using a roughly 10.6K loop repeated for half and full marathons. Options include 10K, canicross and kids races plus chip timing and finishers medals.

A 100 mile non stop race along the South Downs Way from near Winchester to Eastbourne, with 12 aid stations, full medical support and a 30 hour limit. Entry requires a prior 50 mile qualifier within specified times.

A 50 km nonstop trail race across the South Downs National Park with about 1,200 m of ascent, four aid stations, full medical support and a nine hour cut off. The course starts at Matterley Bowl and finishes at Queen Elizabeth Country Park.

A multi-distance trek and trail event from a Cirencester basecamp with a looped 100 km route and options from 10 km to 100 km, supported by marquee rest stops, GPS tracking, medical teams, camping and shuttle transfers.

Trail runs from Waterside Campsite in Pooley Bridge offering 10km and half marathon routes with live chip timing, finisher medal, optional event t-shirt and on-site parking. The event supports Patterdale Mountain Rescue and allows donations..

A scenic out and back trail from Otley to Pateley Bridge on the Six Dales Trail, offered over 13, 20 and 32 mile distances with checkpoints, trackers and mandatory kit requirements.

Trail races at Bewl Water near Lamberhurst Kent include 50 km, marathon, half marathon and 10 km options on mainly off road trails and quiet country lanes with lake views.

A short fell race at Beckside Farm in Ulverston on 13 June 2026 featuring a climb to the top of Flan Fell and separate turning points for Under 14 and older categories.

A 60 km mountain ultra at Mar Lodge in the Cairngorms National Park on 13 June 2026 with 1006 m ascent. A 48 km short course option is available and entries are limited.

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