Trail Running Calendar United Kingdom 2026-2027

An autumn/winter ultra on classic Chiltern trails. This single-loop 50K starts in Berkhamsted, following The Ridgeway and Chiltern Way with scenic views. The fully-marked course has a 9-hour limit and is a UTMB World Series Index Race.

Run under the stars at Dark Skies Run in Wooler on 31 October 2026, a Trail Outlaws night trail in Northumberland National Park with fully marked routes and stocked checkpoints. 10k and Half Marathon options.

Tackle the Monsal Mash in the Peak District, a challenging 9.5 km fell race with 500 m of climb over technical and fast rough terrain. Advance entry and full kit required, teams of three welcome.

Event Overview The Lakeland Trails at Helvellyn is a trail running event on October 31, 2026. It starts and finishes on the shores of Ullswater in Glenridding, within the Lake District National Park. The courses pass through ancient woodlan..

A timed 6-hour trail event in the scenic Linacre Reservoirs valley. Runners complete as many 5 km laps as possible on marked, well-maintained paths. Prizes go to those with the most laps, and every finisher earns a medal.

Tackle the rolling trails of Derbyshire's Amber Valley. Choose between the 31-mile Amberaid ultra or the 20-mile Petit Raid, both offering scenic woodland paths and punchy climbs. Finishers earn a medal on this challenging, figure-of-eight..

Join a devilish 6.66 km Halloween trail at Brewery Fields, Great Baddow on 31 October, a fun fancy dress event rather than a race. Limited to 50 places, finishers get a medal, drink and costume prizes and a GPX route is provided.

Pilgrim 6 is a demanding 32 km mountain run featuring three ascents of Pen y Fan in the Brecon Beacons. Participants navigate six unique paths without repeating any route. The event offers both a classic trail run and a weighted category ca..

Run a night trail through Alice Holt Forest on a 5 km loop system. Choose your distance from 5 km, 10 km, or 15 km on wide gravel tracks lit by head torches. After the run, warm up by a fire pit with some food.

Run a scenic half marathon on Halloween through the woodland and coastal paths of Dalmeny Estate and Cammo Nature Reserve. The event supports the local RNLI, and finishers get a medal and post-race refreshments. With about 300 participants,..

A remembrance run along Seaham seafront starting at the Tommy War Memorial Statue. Two distances are offered with chip timing, a 90 minute cut off, and finishers receive a medal, t shirt and snack.

Run through the scenic trails of Newborough Forest and along Llanddwyn Beach on the Isle of Anglesey. The course offers peaceful pine woods, sandy paths, and coastal views towards Snowdonia. It's a professionally organized trail event with..

A trail ultramarathon of about 36 miles around Maiden Newton, Dorset, with roughly 1,300 m of ascent, mostly off road and served by six aid stations. Navigation files and mandatory basic self-sufficiency kit are required.

Trail races in Wendover Woods, Buckinghamshire offer marathon, half marathon, 10k and a junior 1k on hilly forest trails with mixed terrain, onsite facilities and event medals and photos; there is a six hour cutoff.

Take on a scenic 10 Miles loop around Derwent Water at the Derwentwater Ten, a classic road race hosted by Keswick AC. Enjoy tarmac roads, rolling lakeside views, mid race drinks and a lively finish on 1 November 2026.

Explore the forest trails of Tentsmuir in this trail running festival. Choose from a half marathon, 10km, 5km, or a 1.2km run. All routes are clearly marked and marshalled, with finishers in the longer distances receiving a medal.

The Cornish Marathon takes runners on a scenic circular route from Pensilva through Bodmin Moor and the Fowey Valley, finishing at the Millenium Centre. Expect about 2200 ft of climbing, a warm community vibe, and support for local charitie..

Tackle the Apocalypse Run, a rugged 10 mile trail through Stonehouse with a stiff opening climb and muddy, undulating terrain. Canicross runners welcome and all finishers get a medal for braving the off road challenge.

The Striders Trail 5 returns for 2026 on 1st November, offering a 5-mile run on the club's favorite local trails. The event starts at the Sankey Visitors Centre in St Helens, with only 250 places available.

Experience a scenic trail run starting with a cruise across Ullswater, accompanied by live music. Choose between a 10k run or a 14k challenge, exploring the eastern shoreline. The event finishes with a festival atmosphere, local food, and m..