Trail Running calendar near Thornhill 2025-2026

Experience Kielder Forest by torchlight at the Lewis Burn Trail Run, a 10 km night trail with punchy climbs and flowing forest descents. Tackle the steep zig zags of Simons Tester before a thrilling run back to Bakethin car park.

Classic Lake District fell run from Braithwaite Lodge to Stile End, 8 km with 500 m of climb through scenic but testing winter terrain as the fourth race in the Kong Winter Series. Pre entry only and limited to 300 places; minimum age 16 an..

Tackle a scenic but stiff 4.7 km fell race at Elterwater Common in the Lake District as part of the Helm Hill Winter League, featuring a 396 m climb and great views. Entry on the day, juniors welcome, bring winter kit.

Tackle a scenic but testing 9.5 km fell race with 429 m of climb around The Leaps near Kirkland in the Lake District. Junior races from U9 to U19 add family fun and entries are limited to 120 so pre entry is recommended.

Run a 17 km moonlit trail through Kielder Forest, from lakeside tracks into hillier mountain bike trails with a scenic descent into Kielder village. Part of the Shadowlands series, the race offers prizes and series points.

Challenge yourself on a classic Lake District fell race from Ambleside, tackling 14 km with 880 m of ascent and spectacular views. Entry is on the day for £2 and competitors must be 18 or over, with a strict cut off at Loughrigg summit.

Take on the Montane Grizedale Forest Trail, a scenic marathon or half marathon through undulating forest tracks with an eastern loop near Windermere. Support stations, a finisher medal and official photos await finishers; entries are sold o..

10 mile night trail through the Simonside Hills near Rothbury on 7 Feb 2026, tackling rugged hill and forest trails by headtorch light. Part of the Shadowlands series, Duergar Nightcrawler promises atmosphere and mulled wine at the finish.

Run the scenic Ardgartan Trail Race in Arrochar, a rugged loop of about 21 miles and 3500 ft of climbing past forests and waterfalls. Winter conditions and limited spots make mandatory kit and careful planning essential.

Take on the six hour Trailspire Ultra at Callander Park, a fully waymarked loop of rolling trails and woodland with views of historic Callander House. Run solo or with a two person relay team and see how many laps you can complete.

Take on Clough Head in the Kong Winter Series, a punchy fell race in the Lake District on 7 February 2026. Expect about 7.3 km with 570 m of climb over rugged quarry and mountain terrain for a thrilling winter challenge.

Take in Lake District views on road routes through Lorton Valley at the North Lakes Half Marathon and 10 km in Cockermouth on 8 February 2026. Live chip timing, event medals and Wild Deer merch make this a memorable winter run.

Join the Lakeland Paws Grizedale Growl at Grizedale Forest for scenic, chip timed trail runs over 10K or a dog friendly 6K. Bring up to two dogs in a suitable harness for a fun, muddy morning of laps through wide forest paths.

Warm up your winter with the Glasgow Winter Warmer Run at Glasgow Green on 8 February 2026, with 5K, 10K and half marathon options for all abilities. Mainly flat path course, chip timed with medals and optional fundraising for Shelter.

Explore new routes through Devilla Forest at the Carnegie Harriers trail races on 8 February 2026, with scenic 15k and 5k options. Pre entry only, chip timed and marshalled, finishers get bespoke medals and post race refreshments.

The The Big Victory will take place in Snaefell on Sunday 8 February 2026. You can run 23 kilometers.

Light up the forest on Valentine's night with the Whinlatter Moon Runner, a 10 km head torch trail through Keswick's atmospheric, very hilly woods. Expect twisting tracks, glow, a branded memento and post race treats for a memorable winter..

Run the Glentress Trail Marathon in the Tweed Valley on Sunday 15 February 2026, with 42k, 21k and 10k options over forest singletrack, moorland and mountain bike trails. Expect big climbs, stunning views and well marked routes with visitor..

Test your trail legs at the Glentress Trail Race in scenic Glentress Forest near Peebles, with 21 km, 10 km and new 5 km options for all abilities. Expect singletrack, moorland and mountain bike trails plus on course aid and a finishers med..

Run Glentress on 15 February 2026 with 42 km, 21 km, 10 km or a new 5 km option across the scenic Tweed Valley forest. Expect flowing singletrack, panoramic climbs and fully marked routes that suit a range of abilities.