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.

A 20 km fell race on Gisborough Moors in the North York Moors on Sun 6 Dec 2026, with 850 m of climb. Entry is available by pre-entry and on the day; teams are allowed and the race forms part of the North East Fell Running Champs.

A 50 km trail ultramarathon from Dorking along the Greensand Way through the Surrey Hills, with a 5 mile loop, marked and supported aid stations, electronic timing and a finisher medal.

A one-lap trail 10 km through and around Tatton Park on 6 December 2026 organised by Run North West, finishing outside Egerton Youth Club. The course mixes trail, grass, tarmac and gravel with veteran and overall prizes plus a best fancy dr..

A festive trail running event within the private grounds of Glamis Castle in Angus. Distances include a family 1 mile plus 5 mile and 10 mile runs, with Canicross allowed except in the family mile.

Part of a 12 Days of Christmas series at Pengethley Manor in Ross on Wye offering 5k, 10k, half marathon, marathon and ultra distances on a tough off road loop. Runners and walkers have seven hours to complete their chosen distance with vir..

A winter trail running festival at Holmesly Campsite in the New Forest on 6 December 2026, offering 15 km, 30 km, marathon and 50 km one lap off‑road courses with marked routes, bag drop and mandatory kit requirements.

A festive trail event at Chasewater Country Park featuring 10k, 5k and a junior run, raising funds for Shelter, with bespoke medals, photos, prizes and onsite parking.

A 10 mile canicross loop at Grafham Water on 6 December 2026, following reservoir paths, woodland and the dam wall. Dog friendly with required harnesses, aid station water bowls and finishers medals plus a dog charm.

Bauble Bimble at Ferry Meadows is a four or six hour multi‑terrain event on a 5.3 km lap, letting runners cover distances from 5k to ultras with an aid station each lap and an event medal.

A festive 5 km off road Santa Dash at Tinkley Gate raising funds for Allsorts. Costumes, dogs on short leads and a 2.5 km one lap option for younger participants make this a family friendly event.

Trail races along Offa's Dyke from Prestatyn seafront to summit finishes, offered as half, full and a 55.5 km ultra. GPS tracking, coach travel for ticket holders and a wooden finisher medal are provided.

A festive trail running event at Moors Valley Country Park on 6 December 2026, offering a 2 km fun run for children plus 5 km and 10 km trail races; on-site parking is available for £5 and entry fees range from £12 to £26.

This three-hour mountain marathon score event unfolds in the Peak District's Derbyshire Dales. Run solo or with a partner in a timed navigation challenge. A pre-printed map, hot drinks, and post-race flapjack are provided.

Peak Raid Race 4 in Alstonefield is a three hour score-format fell race across Peak District hills, moors and dales. Competitors run solo or in pairs, choose their own routes and must carry FRA mandatory safety kit.

A 10 km trail championship at Wendover Woods on 6 December 2026 for runners who qualify via top 20 percent finishes at Runaway events and for volunteers. The marked course includes about 295m of ascent.

Multiple point to point races along the West Lothian Shale Trail, from 9K to a GPS tracked 50K, plus a 3 person relay. The event supports Smalls for All and features marked routes, checkpoints and chip timing.

A forest trail event at Whinlatter on 6 December 2026 with two marked, chip timed routes including a Seat How summit option. Dogs are welcome with a harness requirement on narrow sections and only one dog per runner there.

A festive *10k* trail race in Cockington Country Park near Torquay with hilly, winding trails and countryside views. Finishers receive a bespoke metal medal and a choice of Christmas cake, mince pie or yule log.

A Lakeland Paws canicross event in Grizedale forest, part of the 2026/2027 fifth series. It features forest routes for runners and their dogs across three Lake District locations and is organised by Green Space Events Ltd.

A 12-day consecutive running challenge at Pengethley Manor, Ross-on-Wye, with daily choices from 5k to ultra on a 2.5 km lap offroad course. Each day has a unique medal and there are in-person and virtual entry options.

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