Trail Running Calendar United Kingdom 2025-2026

The 666 Trail Run, organized by Ashford Tri Club, is a unique trail race held in Kings Wood, Challock, Ashford. Established in 2010, the event features a 6.66-mile course through woodland terrain, offering a challenging and scenic run. The race is known for its "devilishly good" distance and slightl..

The Arnside Knott Race is a scenic fell running event held annually from Hollins Farm near Arnside, Cumbria, overlooking Morecambe Bay and the Kent Estuary. The senior race covers 6 miles with an ascent of 1,093 feet, offering a challenging course under Fell Runners Association rules. Junior races a..

The Gibside Fruitbowl is a 7-mile trail race held on the National Trust Gibside Estate in Great Britain. Now in its 25th edition, the undulating course follows tracks and paths that start and finish beside the walled garden, offering scenic views and a circuit past Gibside landmarks such as the old..

MoRunning brings Manchester to Heaton Park for the Movember-themed MoRun. The event offers 1.5k Mini MoRun for kids, plus 5k, 10k, and a Half Marathon. Runners traverse a mix of park paths and trails around Heaton Park, with an undulating course designed for a fun, community atmosphere.The Half is f..

Roly's Run is an endurance event in the Meon Valley, Hampshire, with 15/20/40 mile options. The race HQ is Swanmore Village Hall. The clockwise course runs via Beacon Hill, Exton and Meonstoke, with the 20 and 40 mile routes continuing onto the South Downs Way to Winchester Hill before looping back...

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an ideal experience for both seasoned athletes and newcomers...

The MT10 (Multi-Terrain 10) is a 10-mile (16 km) off-road trail run held at Pembrey Country Park and along Cefn Sidan Beach in Carmarthenshire. The course features a mix of soil and firm sand surfaces, providing a varied terrain that accommodates runners of all abilities. Set in a scenic natural env..

The Tweed Valley Ultra is a multi-terrain ultra running event held in the scenic Tweed Valley, near Peebles, Scotland. It offers two distance options: 50km and 65km, both starting and finishing at the Glentress Peel Visitor Centre. The course features rolling hills, woodlands, and riverside trails,..

Broadway Marathon & Half Marathon takes place in Broadway, Worcestershire, in the northern Cotswolds. The event offers two distances: a marathon and a half marathon. The course is long, hilly and muddy, predominantly on trails and unpaved tracks with a few minor road sections.It starts and finishes..

The Callow Fell Race, organized by Mercia Fell Runners, is a challenging event that has transitioned from a summer to a winter series race. Covering a distance of 8.1 km with a total ascent of 762 meters, it is recognized as one of the toughest races in Shropshire. The course features steep climbs a..

Devil's Punchbowl 10km is a guided trail run around the Punchbowl in Hindhead, Surrey. The 10km route follows scenic trails with several hills, run at a group pace rather than a race. It suits those new to trail running or who prefer running with others, especially at dusk or night.Top views are pau..

The Hathersage Night Race will take place in Hathersage on Wednesday 19 November 2025.

Dormouse Challenge is held at Salcey Forest, a Forestry England site near Northampton (NN7 2HX). It’s a 6-hour trail event on a 3.5-mile off-road loop, letting runners choose any number of laps from a 5k to well over 80 km within the time limit. The course uses well-maintained paths—crushed stone an..

Petzl Night Trails 10K – Salcey Forest is a Friday evening trail race at Salcey Forest, near Northampton (NN7 2HX). The 10K course is two laps on crushed-stone tracks with detritus that can be slippy; the route is marked and flat, though uphill sections feel tougher over 10K. Expect a dark, torch-li..

The STAR Backyard Peaslake is a trail running event held in the picturesque village of Peaslake, Surrey. Participants aim to complete as many 5km laps as possible within a 3-hour window, starting and finishing at Peaslake Community Hall. The course features a clockwise route that includes a gentle 2..

Cornish Coastline Training Weekend 2025, hosted by Ruby Red Running, is a social winter training escape for runners aiming at the Arc of Attrition on Cornwall’s South West Coast Path. From 21–23 November, base at Holifield Hostel in Gweek (TR12 6UJ), with three guided coastal runs between Coverack a..

Borders 8-hour Challenge (NU Limits Running) is an eight-hour endurance trail event at Rock UK Whithaugh Park, near Newcastle upon Tyne. Runners tackle as many 4.366-mile laps on Borders Forest Park trails, with about 480 feet of ascent per lap. An electronic wristband times each lap via Basecamp ti..

The Maravan Half 2025 - Saturday is a unique half marathon event held at Haven Thorpe Park Holiday Park in Humberston. Scheduled for November 22, 2025, this race features a flat, multi-terrain course consisting of four slightly shorter laps around the holiday park. Limited to just 40 entrants, the e..

The North Face Kendal Skyline Ultra is a 50km ultramarathon with around 900m ascent, held during the Kendal Mountain Festival weekend. The undulating route winds over Kendal’s skyline, taking in limestone escarpments, castles, a deer park and river trails, combining trail, road and fell sections. Th..

Dark Valley, Night Trails is a night-time trail run at Moors Valley Country Park, Ashley Heath, near Ringwood, Dorset. The 10km loop winds through wide, tree-lined forest tracks on the Hampshire/Dorset border, with 1, 2, or 3 laps for 10km, 20km, or 30km. Runners use headtorches guided by bespoke fl..