Trail Running Calendar United Kingdom 2025-2026

The Brecon to Cardiff Classic is a 70-kilometer (43-mile) ultra running race held annually along the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Nantgarw near Cardiff. Now in its 12th year, this fully marked, one-way race features diverse landscapes, starting with dramatic m..

The Pitsford Water Trail Races, organized by Race Harborough, take place at Brixworth Country Park in Northamptonshire. The event features fully marked and marshaled trail races over 10k and half marathon distances. The scenic courses traverse trails and tracks around Pitsford Water, with the half m..

The Weymouth Bay 10K is a scenic charity fun run held in Weymouth, Dorset, starting at Bowleaze Green near the Riviera Hotel. The course is an accurately measured out-and-back route featuring two laps, extending towards Pleasure Pier and returning via Overcombe. The mostly flat road terrain (88%) of..

The High Lodge Half Marathon - Spring is a scenic trail running event held in Thetford Forest, known for its wildlife including fallow deer and wild thyme. This circular half marathon course features a mix of hard-packed sand, grassy footpaths, and forest trails, offering a multi-terrain challenge s..

The Culzean Castle Trail Runs, held at the scenic Culzean Castle and Country Park in Ayrshire, Scotland, offer a variety of trail running events suitable for different ages and abilities. Scheduled for March 1, 2026, the event features 5km, 10km, and half marathon distances, with routes winding thro..

Cloud Nine is a scenic and challenging 9-mile hill race organized by Congleton Harriers, starting in Congleton and ascending to the summit of Bosley Cloud at 1125 feet before returning via the ancient Bridestones. The mostly off-road course features 1250 feet of ascent and is categorized as a BM fel..

The St David's Day Dragon Run 2026, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This unique 7-hour time challenge allows participants to run multiple laps of a 4.37-mile (7km) course on well-maintained footpaths with beautiful countryside views..

The Loggerheads Trail 5k & 10k is a popular trail running event set to take place in March 2026 at Loggerheads Country Park. Participants can choose from three race options: a 5k Trail, a 5k Canicross Trail, and a challenging new 10km route. The courses feature a variety of terrains, including river..

The Hateful 8 Loopy Ultra is an endurance running event held at Bridgend Miniature Railway in Aberkenfig, Bridgend, South Wales. Participants tackle a challenging 9-mile mixed terrain loop featuring a tough hill, scenic road sections with stunning views, and a technical downhill forestry trail. Runn..

The Lincoln Marabank 2026 is a running event held at Burton Waters near Lincoln, featuring a flat, multi-terrain course along the historic Fossdyke canal towpath. Open to runners aged 18 and over, the event offers a 7-hour timed challenge where participants can run distances ranging from a single la..

The Saddleworth Res's is a challenging trail running event held in the high moorlands and valleys around Saddleworth, near Oldham, UK. Participants can choose from three distances: 5 Res's (25 km with 710m ascent), 10 Res's off-road marathon (44 km with 1314m ascent), or the 15 Res's ultra marathon..

Endurancelife Sussex offers a scenic trail running event featuring 10K, half marathon, marathon, and ultra distances along the iconic coastal landscapes of Eastbourne and Seaford, adjacent to the South Downs National Park. Runners experience challenging terrain with rolling chalk cliffs and forest p..

The Lincoln Marabank is a unique running event held at Burton Waters near Lincoln, featuring a flat, traffic-free course along the historic Fossdyke canal towpath. Open to runners of all abilities, participants have up to seven hours to cover as much distance as they wish, with options to run a half..

Cousin Jack is a challenging trail running event held in Cornwall, featuring two race options: the Classic Jack, an 18-mile point-to-point race from St Just to St Ives, and the Ultra Jack, a demanding 35-mile out-and-back course from St Ives to Cape Cornwall and back. The route showcases the most st..

The John Muir Way Ultra Marathon is a 50km race held along the scenic John Muir Way on Scotland's East Coast, specifically through East Lothian. The course features stunning coastal stretches, rural landscapes, and woodland trails, passing through historic towns and villages such as Aberlady, Gullan..

The Winter GMU is a challenging ultra marathon held annually around the City of Bristol, featuring 30 and 45-mile loop options along the Community Forest Path. The winter edition runs the course anti-clockwise, often presenting muddy and tough conditions, contrasting with the firmer, faster summer e..

The Hannington Hike will take place in Hannington on Sunday 8 March 2026.

The PFW Running - Granny's Bay Challenge is an annual running event held in the seaside town of Lytham, Lancashire. Starting at the Fylde Spitfire Memorial, the flat 5.24-mile out-and-back loop follows a tarmac path along the Ribble estuary, passing scenic spots like Fairhaven Lake, Granny's Bay, an..

The Kingdom of Northumbria Coastal Ultra is a scenic ultra trail running event held in Northumberland, UK. The main race covers 54km, starting near Bamburgh Castle and passing historic coastal landmarks such as Beadnell Harbour, Dunstanburgh Castle, Craster Village, and Warkworth Castle, finishing a..

The Morland 'Marathon' is a 30-mile trail ultra event held in the Eden Valley, starting and finishing at Morland Village Hall near Penrith, UK. The course is predominantly off-road, featuring mixed terrain with 3,000 feet of elevation gain. It runs alongside the Pennines to the east and the Howgills..