Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1253 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.

The Triple Trail Races take place on 20 September 2025 at Loddington Farm, Linton, Kent. The event uses sections of the North Downs Way, Greensand Way and Weald Way to form the route. Races offered: 100 km - single-loop ultra connecting all three trails 50 km - point-to-point following the latter..

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Salomon Skyline Scotland returns in September 2025, centered at Nevis Range, Fort William. On Saturday 20 September 2025, seven designed races will take place in a single day, with distances from 10km to 100km, offering skyrunning, ultra, and low-level trail options. The event attracts 2,000+ partic..

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The Hardmoors 60 is a 60-mile ultramarathon along the Cleveland Way from Guisborough to Filey, with cliff-top sections and coastal scenery in North Yorkshire. The route passes Saltburn, Staithes, Robin Hood’s Bay, Ravenscar, Scarborough and Filey. The event starts at Guisborough Rugby Club and inclu..

The 361° Abersoch Half Marathon takes place in the seaside village of Abersoch on Wales’ Llyn Peninsula. The 13.1-mile course is predominantly road-based, with a final kilometer along Abersoch Beach to a lively finish crowd. Runners pass through Llanengan, Llangian and Sarn Bach, with drink stations..

NAV4 LiAD Recce - Helvellyn to Ambleside is the final LiAD recce in the 2025 Lakes in a Day series. The guided training day covers roughly 11 miles with around 6,000 feet of ascent, featuring the Helvellyn range from Legburthwaite (Thirlmere) via Sticks Pass, Helvellyn and Fairfield down to Amblesid..

Great Whernside is a Wharfedale Harriers fell race held near Kettlewell in the Yorkshire Dales. The course covers about 4 miles with a climb of 1,558 feet, starting in a field at Scabbate Gate and finishing at the summit of Great Whernside before returning. The route begins on grassy fields to Hag D..

The Hard Yard is a trail running event scheduled for 20 September 2025. It is organised by Blended Trails and is set at Chilton Manor, SO24 9TX, Alresford, Great Britain. The event offers trail runs over two distances. The course is described as a trail route and takes place at the Chilton Manor v..

The Salomon Jacobite 100 2025 is a runnable 100 km ultra trail race on Saturday 20 September 2025. The route uses established paths and trails through the Scottish Highlands, moving through glens, along lochs, and passing over mountain bealachs. The race is part of the Salomon Skyline Scotland seri..

The Causeway Cost Ultra Marathon will take place in Portballintrae on Saturday 20 September 2025. You can run 42 kilometers.

Ranger Ultras Yorkshire Pen-Y-Ghent 50k is an off-road ultra starting and finishing at Hawes Market House in North Yorkshire. The 50 km route follows Roman-era Cam Road to Horton-in-Ribblesdale, summits Pen-y-Ghent, then returns via the Cam Road, totaling around 50 km with about 1,280 metres of asce..

Salomon Ben Nevis Skyline 2025 is a mountain trail race held on Saturday, 20 September 2025 at the Nevis Range near Fort William. The course follows the skyline of Ben Nevis and Càrn Mòr Dearg Arete and involves technical terrain and ridges in the style of skyrunning. The event is organised by Skyl..

The Steall Marathon is a linear mountain race held on Saturday 20 September 2025. The route finishes at Nevis Range, near Fort William, with the start in Kinlochleven. The course distance is approximately 42 km with about 2,200 m of ascent. The event is organised by Ourea Events / Skyline Trail Rac..

The Run of the Mill is a challenging 14.6 km race with 966 meters of ascent, held in Alva Glen near the Ochils Woodland Park in Clackmannanshire, Scotland. The course starts and finishes at Alva Glen, passing through scenic footpaths to Tillicoultry, then ascending several summits including Andrew G..

Mourne Mountain Marathon is a classic two-day navigation and endurance event for teams of two set in the Mourne Mountains of Northern Ireland. Competitors must be self-sufficient for the two days, carrying all gear for an overnight mountain camp; the camp is basic but the views and camaraderie are p..

The Three Shires Fell Race takes place on Saturday 20 September 2025 with a new route for 2025. It is category AL and covers 22 km / 12.4 miles with 1535 m / 4003 ft of ascent. The event is sponsored by OMM and counts as a counter for the Lakeland Classics Trophy. Entry is by SportIdent entries fro..

Hambledon Hilly is scheduled for 20 September 2025 at Hambledon Vineyard in Hambledon, Hampshire (PO7 4RY). This is the 10th edition of the event and the venue has changed to Hambledon Vineyard, described as England's oldest commercial vineyard. The vineyard will be open on the day, including its r..

Arrochar 10k is a scenic 10-kilometre race held in Arrochar, Argyll, Scotland, organized by the Loch Long Jetty Association under UK Athletics rules. The route combines varied terrain: a track start leading to forest roads with a notable hill, offering views over Loch Long, then forest paths to Ardg..

The Yard Trail Races, hosted at Chilton Manor Farm in Hampshire, offers participants two scenic routes: a 10k and a 10-mile trail run. Both routes begin and end on a historic avenue lined with 800-year-old Yew trees, providing stunning views. Runners are welcomed at the finish line by friendly marsh..

Highland Fling Race is a 53-mile (85 km) ultramarathon that runs along southern third of Scotland’s West Highland Way from Milngavie, near Glasgow, to the village of Tyndrum. Set in Loch Lomond & Trossachs National Park, the point-to-point course climbs about 2300 m and descends around 2100 m, with..

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Yorkshire 3 Peaks Ultra, run by Ranger Ultras, is a Hawes-based trail challenge in Yorkshire offering 70km and 100km options. The 70km route follows the Cam Road and limestone trails over Whernside, Ingleborough and Pen-y-Ghent, with 2,185 metres of ascent, starting and finishing at Hawes Market Hou..