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 1228 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.

Epsom Street O is the opening event in MVOC’s eight-event Street O series, staged in the Mole Valley area around Epsom. The Barley Mow pub at 12 Pikes Hill hosts the start, finish and post-race refreshments. The course is a 60-minute Score (with a 40-minute option) on a 1:10,000 OpenStreetMap-based..

Clowbridge 5k – Autumn 3/3 is a trail running event held at Clowbridge Reservoir near Burnley. The 5 km course consists of two anti-clockwise laps starting from the Rossendale Valley Sailing Club, offering a relatively fast trail route with about 25 metres of total elevation. Open to runners aged 11..

EpicTrails 10km - Trail run fun is a social, non-competitive trail run starting at Milngavie Train Station in Scotland on 18 September 2025. The 10km route explores local trails, including the Clyde Coastal Path and portions of the West Highland Way, with other scenic gems along the way. Guided by q..

The Peak District Challenge is a scenic trekking and running event held in the Peak District, starting and finishing in Hathersage. It offers five distance options catering to various skill levels: 25km (Copper), 50km (Bronze), 75km (Silver), 100km (Gold), and an intense 100-mile challenge to be com..

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Trails & Tarmac Backyard Ultra is held near Crickhowell in the Black Mountains, Powys. The course uses 4.2-mile loops of mixed trail and tarmac, with one gentle climb and a short steep section for a fast, runnable feel. The event follows an endless BYU format: each loop must be completed within one..

Red Bull Shakeout Run takes place at Nevis Range, near Fort William, Scotland, as part of the Salomon Skyline Scotland weekend. The 6-kilometer shakeout follows the iconic Blue Doon descent, starting from the Gondola Café and finishing at the Skyline Scotland finish line. The route offers a fun yet..

Salmon Run Ultra is a Wild Running event along the River Exe from Exmouth to Dulverton, featuring an ultra distance of 43 miles or a team relay option. The route follows the Exe Valley Way from sea to the salmon spawning grounds on Exmoor, offering rural scenery and river landscapes. The relay uses..

Norfolk Coastal Trail Marathon and Half Marathon, organized by Runners-next-the-Sea, is set along Norfolk’s coast, finishing at Morston Quay. The full marathon starts Holme-next-the-Sea; the half starts Burnham Overy Staithe. Both routes run mostly off-road along the Norfolk Coast Path, marked with..

The Maverick X Series Afan Forest 2025 is a trail running event set in the scenic Afan Forest Park, South Wales. Offering four route options—Ultra (50 km, 1133 m elevation), Long (42 km, 970 m), Middle (25 km, 625 m), and Short (10 km, 232 m)—the course features a mix of hard-packed gravel trails an..

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

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..

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 high-octane mountain race staged at Nevis Range near Fort William, Scotland. The event, part of Skyline Scotland, is described as a world-class mountain and trail running experience that attracts 2,000+ participants from up to 50 countries each year and has genera..

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..

Hambledon Hilly takes place at Hambledon Vineyard in East Street, Hambledon, Hampshire (PO7 4RY). This is the 10th edition, moving to the vineyard—the first running event staged at England’s oldest commercial vineyard. The event offers five distances: 1km and 2km for youngsters, and 5km, 10km, and 2..

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..

The Fraggle Run in Aberdare, hosted by Saturn Running, is a 7-hour time challenge event set in the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps measuring approximately 4.37 miles (7km) on well-maintained footpaths offering beautif..

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..

Conquest of Avalon is Albion Running’s late-season ultramarathon in Somerset, finishing in Glastonbury after a final ascent over Glastonbury Tor. The event offers two distances: 50 miles and 30 miles. The 50-mile route begins at Ham Hill Country Park and, about 20 miles in, joins the 30-mile path, t..

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..