Trail Running Calendar United Kingdom 2025-2026

'Twas The Run Before Christmas is a festive running event held at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants can choose between a 6-hour or 4-hour timed event, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths and grass area..

The Silent Night Fell Race, organized by Durham Fell Runners and supported by the Fell Runners Association, is a challenging winter event held near St John's Chapel, Weardale. Covering 6.6 km with 370 meters of ascent, the race takes place entirely in the dark on rough, pathless terrain up to the 70..

Beyond the Lune Winter Editions returns to Kirkby Lonsdale for winter trail runs with three routes: 5km, 10km and 20km, starting from The Barn. The courses use local footpaths and bridleways around Casterton and the Lune Valley, with on- and off-road sections and self-navigation recommended for long..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds. Offering multiple distance options—5k, 10k, half marathon, full marathon, and ultra—the race features a mass start and a seven-hour cutoff. The course is entirely on road, passing through picturesq..

The Chelmsford Brew Co 12k's of Christmas, run & rum is a festive, social 12-kilometre route in Chelmsford. Starting at the Voodoo Keller Bar, runners head to the Chelmsford Brewery and back into town, with a relaxed, non-competitive vibe. The event emphasizes camaraderie: a drink token at the brewe..

Nav4 Tour de Helvellyn is a classic winter mountain ultra running event based from Askham in the Lake District. The tough circuit around Helvellyn covers about 38 miles with roughly 2,000 metres of ascent and descent, mostly on mountain trails and bridleways. The route is unmarked and demanding, req..

The Moel Famau Festive 'Piece of String' Race is a unique running event held on the last Saturday before Christmas at Bwlch Penbarras. Participants can expect a surprise distance and route, ranging between 6 and 12 kilometers, which will be revealed as the race progresses. The event includes a Canic..

Christmas Pudding Dash in Pett, near Hastings, East Sussex, marks its 20th year as a festive multi-terrain cross-country event. The main race runs a single loop of roughly 4.2 miles through farmland and woods around Pett, with a 2-mile Fun Run and a Junior Run also on offer. Expect an undulating, mu..

Beyond the Lune Skyline Winter Ultra is a 65km (40-mile) trail race starting and finishing at The Barn in Kirkby Lonsdale. The route climbs about 2000m (6500 ft) of ascent as it takes competitors beyond the Lune onto the Skyline, covering seven summits and landmarks. The course is mostly on footpath..

A Nightmare Before Xmas Trail ½ Marathon, staged by Mad Running Junkies, takes place at the Bridgend Miniature Railway Centre in Aberkenfig, Tondu, near Bridgend (CF32 9BZ). The course blends the Hateful Eight 8‑mile route with a further 5+ miles of challenging trail, totaling around 13 miles of mix..

PieAthlon 2025 is a 6km trail run held in Huddersfield’s Longwood area, starting and finishing at The Dusty Miller Pub. Runners tackle mainly off-road terrain, including the notorious “bog of doom,” with scenic views along the route. The event blends sport with a pie-tasting twist, featuring pies at..

The Santa & Elf Dash 2025 is a festive trail run held at Cammo Nature Reserve in north-west Edinburgh on Sunday 21 December 2025. The route follows riverside paths, open fields, and passes historic landmarks. The course includes narrow paths, steps, and small wooden bridges; it may be muddy or..

The Winter Wanderlust 50km is an ultra-trail race held in Kent, UK, starting at Detling Village Hall and finishing at Wye Village Hall. Covering 50 kilometers with approximately 1,000 meters of elevation gain, the course follows the scenic North Downs Way, featuring rolling hills, vineyards, ancient..

Chopwell Woods Christmas Trail Races return to Chopwell Woods, a Forestry England site on the fringe of Gateshead near Rowlands Gill. The event offers three trail distances: 1 mile Family Santa Run (for ages 3–11, with a free accompanying adult), 4-mile and 8-mile routes. The 8-mile course is for 16..

The Christmas Carol Bobble Hat Run, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This inclusive event welcomes runners and walkers of all abilities. Participants can choose their distance within a 7-hour time challenge, with a minimum of 3km and..

The Slow and Dirty is a festive-themed 19-kilometer trail race held in Sturminster Newton, Dorset, following a flat, hard-surfaced route along a former railway line known as the Somerset and Dorset (S & D). Despite its name, the course is fast and clean, ideal for runners of all abilities, including..

Elves 11ish Trail is a narrative trail race held on 21 December 2025, starting and finishing at The Blackwater Leisure Centre in Maldon, England. The circular route covers 11 elvish miles, about 95% off-road across varied terrain between Maldon and Mundon. Participants navigate using written instruc..

Festive Friston Forest 5 mile night trail run takes place at The Plough & Harrow, Litlington, East Sussex. It is a self-navigated event following a Strava GPX route through forest, downlands and countryside, mostly anti-clockwise as the reverse of the Plough & Harroween 5. A written narrative to hel..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

Santa Claws 10km is a winter cross-country event organized by Racing Line Running, held at Renegade Brewery in the grounds of the Yattendon Estate, Berkshire. The course is a multi-terrain 10km, with a Canicross 10km option for runners with dogs. It delivers a scenic, muddy yet beautiful route throu..